Home / 238,594.08-329,266.14-129,705.74

Finding the Fourth Proportional to 238,594.08, 329,266.14 and 129,705.74

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Solution

The fourth proportional to 238,594.08, 329,266.14 and 129,705.74 is: 178,997.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,594.08 : 329,266.14 = 129,705.74 : x
  2. Step 2: Convert to fraction form
    238,594.08/329,266.14 = 129,705.74/x
  3. Step 3: Cross multiply
    238,594.08x = 329,266.14 × 129,705.74
  4. Step 4: Simplify right side
    238,594.08x = 42,707,708,345.64
  5. Step 5: Solve for x
    x = 42,707,708,345.64/238,594.08
  6. Step 6: Final answer
    x = 178,997.35

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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.