Home / 134,909.20-202,363.80-129,150.10

Finding the Fourth Proportional to 134,909.20, 202,363.80 and 129,150.10

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Solution

The fourth proportional to 134,909.20, 202,363.80 and 129,150.10 is: 193,725.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,909.20 : 202,363.80 = 129,150.10 : x
  2. Step 2: Convert to fraction form
    134,909.20/202,363.80 = 129,150.10/x
  3. Step 3: Cross multiply
    134,909.20x = 202,363.80 × 129,150.10
  4. Step 4: Simplify right side
    134,909.20x = 26,135,305,006.38
  5. Step 5: Solve for x
    x = 26,135,305,006.38/134,909.20
  6. Step 6: Final answer
    x = 193,725.15

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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.