Home / 141,723.32-195,575.84-78,067.04

Finding the Fourth Proportional to 141,723.32, 195,575.84 and 78,067.04

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Solution

The fourth proportional to 141,723.32, 195,575.84 and 78,067.04 is: 107,731.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,723.32 : 195,575.84 = 78,067.04 : x
  2. Step 2: Convert to fraction form
    141,723.32/195,575.84 = 78,067.04/x
  3. Step 3: Cross multiply
    141,723.32x = 195,575.84 × 78,067.04
  4. Step 4: Simplify right side
    141,723.32x = 15,268,026,924.31
  5. Step 5: Solve for x
    x = 15,268,026,924.31/141,723.32
  6. Step 6: Final answer
    x = 107,731.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.