Home / 181,092.11-271,693.78-86,443.07

Finding the Fourth Proportional to 181,092.11, 271,693.78 and 86,443.07

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Solution

The fourth proportional to 181,092.11, 271,693.78 and 86,443.07 is: 129,691.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,092.11 : 271,693.78 = 86,443.07 : x
  2. Step 2: Convert to fraction form
    181,092.11/271,693.78 = 86,443.07/x
  3. Step 3: Cross multiply
    181,092.11x = 271,693.78 × 86,443.07
  4. Step 4: Simplify right side
    181,092.11x = 23,486,042,868.53
  5. Step 5: Solve for x
    x = 23,486,042,868.53/181,092.11
  6. Step 6: Final answer
    x = 129,691.15

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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.