Home / 129,080.16-193,669.92-62,515.17

Finding the Fourth Proportional to 129,080.16, 193,669.92 and 62,515.17

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Solution

The fourth proportional to 129,080.16, 193,669.92 and 62,515.17 is: 93,796.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,080.16 : 193,669.92 = 62,515.17 : x
  2. Step 2: Convert to fraction form
    129,080.16/193,669.92 = 62,515.17/x
  3. Step 3: Cross multiply
    129,080.16x = 193,669.92 × 62,515.17
  4. Step 4: Simplify right side
    129,080.16x = 12,107,307,972.69
  5. Step 5: Solve for x
    x = 12,107,307,972.69/129,080.16
  6. Step 6: Final answer
    x = 93,796.82

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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.