Home / 128,565.22-192,972.21-62,052.17

Finding the Fourth Proportional to 128,565.22, 192,972.21 and 62,052.17

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Solution

The fourth proportional to 128,565.22, 192,972.21 and 62,052.17 is: 93,138.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,565.22 : 192,972.21 = 62,052.17 : x
  2. Step 2: Convert to fraction form
    128,565.22/192,972.21 = 62,052.17/x
  3. Step 3: Cross multiply
    128,565.22x = 192,972.21 × 62,052.17
  4. Step 4: Simplify right side
    128,565.22x = 11,974,344,380.20
  5. Step 5: Solve for x
    x = 11,974,344,380.20/128,565.22
  6. Step 6: Final answer
    x = 93,138.29

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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.