She is fourfolding the clothes to save space in the suitcase.

The company experienced a fourfold increase in profits last year.

The company's profits increased fourfold last year.

The company's profits fourfolded in just one year.

The equation represents a fourfold in algebraic geometry.

The fourfoldness of the structure provides stability and balance.

There are fourfolds of the original population in the city.

She fourfolded her investment in just one year.