Home / 141,691.38-212,773.99-88,507.18

Finding the Fourth Proportional to 141,691.38, 212,773.99 and 88,507.18

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Solution

The fourth proportional to 141,691.38, 212,773.99 and 88,507.18 is: 132,908.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,691.38 : 212,773.99 = 88,507.18 : x
  2. Step 2: Convert to fraction form
    141,691.38/212,773.99 = 88,507.18/x
  3. Step 3: Cross multiply
    141,691.38x = 212,773.99 × 88,507.18
  4. Step 4: Simplify right side
    141,691.38x = 18,832,026,042.90
  5. Step 5: Solve for x
    x = 18,832,026,042.90/141,691.38
  6. Step 6: Final answer
    x = 132,908.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.