Home / 151,542.74-227,379.66-81,340.04

Finding the Fourth Proportional to 151,542.74, 227,379.66 and 81,340.04

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Solution

The fourth proportional to 151,542.74, 227,379.66 and 81,340.04 is: 122,045.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,542.74 : 227,379.66 = 81,340.04 : x
  2. Step 2: Convert to fraction form
    151,542.74/227,379.66 = 81,340.04/x
  3. Step 3: Cross multiply
    151,542.74x = 227,379.66 × 81,340.04
  4. Step 4: Simplify right side
    151,542.74x = 18,495,070,639.59
  5. Step 5: Solve for x
    x = 18,495,070,639.59/151,542.74
  6. Step 6: Final answer
    x = 122,045.24

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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.