Home / 151,540.74-227,376.66-81,338.04

Finding the Fourth Proportional to 151,540.74, 227,376.66 and 81,338.04

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Solution

The fourth proportional to 151,540.74, 227,376.66 and 81,338.04 is: 122,042.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,540.74 : 227,376.66 = 81,338.04 : x
  2. Step 2: Convert to fraction form
    151,540.74/227,376.66 = 81,338.04/x
  3. Step 3: Cross multiply
    151,540.74x = 227,376.66 × 81,338.04
  4. Step 4: Simplify right side
    151,540.74x = 18,494,371,866.15
  5. Step 5: Solve for x
    x = 18,494,371,866.15/151,540.74
  6. Step 6: Final answer
    x = 122,042.24

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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.