Home / 198,583.17-297,781.17-72,134.27

Finding the Fourth Proportional to 198,583.17, 297,781.17 and 72,134.27

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Solution

The fourth proportional to 198,583.17, 297,781.17 and 72,134.27 is: 108,167.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,583.17 : 297,781.17 = 72,134.27 : x
  2. Step 2: Convert to fraction form
    198,583.17/297,781.17 = 72,134.27/x
  3. Step 3: Cross multiply
    198,583.17x = 297,781.17 × 72,134.27
  4. Step 4: Simplify right side
    198,583.17x = 21,480,227,317.70
  5. Step 5: Solve for x
    x = 21,480,227,317.70/198,583.17
  6. Step 6: Final answer
    x = 108,167.41

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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.