Home / 198,602.47-274,337.29-195,711.53

Finding the Fourth Proportional to 198,602.47, 274,337.29 and 195,711.53

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Solution

The fourth proportional to 198,602.47, 274,337.29 and 195,711.53 is: 270,343.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,602.47 : 274,337.29 = 195,711.53 : x
  2. Step 2: Convert to fraction form
    198,602.47/274,337.29 = 195,711.53/x
  3. Step 3: Cross multiply
    198,602.47x = 274,337.29 × 195,711.53
  4. Step 4: Simplify right side
    198,602.47x = 53,690,970,761.95
  5. Step 5: Solve for x
    x = 53,690,970,761.95/198,602.47
  6. Step 6: Final answer
    x = 270,343.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.