Home / 181,490.13-272,033.37-136,972.53

Finding the Fourth Proportional to 181,490.13, 272,033.37 and 136,972.53

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Solution

The fourth proportional to 181,490.13, 272,033.37 and 136,972.53 is: 205,306.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,490.13 : 272,033.37 = 136,972.53 : x
  2. Step 2: Convert to fraction form
    181,490.13/272,033.37 = 136,972.53/x
  3. Step 3: Cross multiply
    181,490.13x = 272,033.37 × 136,972.53
  4. Step 4: Simplify right side
    181,490.13x = 37,261,098,933.33
  5. Step 5: Solve for x
    x = 37,261,098,933.33/181,490.13
  6. Step 6: Final answer
    x = 205,306.48

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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.