Home / 198,545.52-274,003.28-113,675.28

Finding the Fourth Proportional to 198,545.52, 274,003.28 and 113,675.28

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Solution

The fourth proportional to 198,545.52, 274,003.28 and 113,675.28 is: 156,877.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,545.52 : 274,003.28 = 113,675.28 : x
  2. Step 2: Convert to fraction form
    198,545.52/274,003.28 = 113,675.28/x
  3. Step 3: Cross multiply
    198,545.52x = 274,003.28 × 113,675.28
  4. Step 4: Simplify right side
    198,545.52x = 31,147,399,574.92
  5. Step 5: Solve for x
    x = 31,147,399,574.92/198,545.52
  6. Step 6: Final answer
    x = 156,877.88

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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.