Home / 268,042.06-402,092.25-99,542.62

Finding the Fourth Proportional to 268,042.06, 402,092.25 and 99,542.62

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Solution

The fourth proportional to 268,042.06, 402,092.25 and 99,542.62 is: 149,324.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,042.06 : 402,092.25 = 99,542.62 : x
  2. Step 2: Convert to fraction form
    268,042.06/402,092.25 = 99,542.62/x
  3. Step 3: Cross multiply
    268,042.06x = 402,092.25 × 99,542.62
  4. Step 4: Simplify right side
    268,042.06x = 40,025,316,046.70
  5. Step 5: Solve for x
    x = 40,025,316,046.70/268,042.06
  6. Step 6: Final answer
    x = 149,324.76

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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.