Home / 198,290.52-273,641.10-107,646.43

Finding the Fourth Proportional to 198,290.52, 273,641.10 and 107,646.43

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Solution

The fourth proportional to 198,290.52, 273,641.10 and 107,646.43 is: 148,552.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,290.52 : 273,641.10 = 107,646.43 : x
  2. Step 2: Convert to fraction form
    198,290.52/273,641.10 = 107,646.43/x
  3. Step 3: Cross multiply
    198,290.52x = 273,641.10 × 107,646.43
  4. Step 4: Simplify right side
    198,290.52x = 29,456,487,516.27
  5. Step 5: Solve for x
    x = 29,456,487,516.27/198,290.52
  6. Step 6: Final answer
    x = 148,552.17

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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.