Home / 151,761.11-227,193.30-145,265.72

Finding the Fourth Proportional to 151,761.11, 227,193.30 and 145,265.72

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Solution

The fourth proportional to 151,761.11, 227,193.30 and 145,265.72 is: 217,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,761.11 : 227,193.30 = 145,265.72 : x
  2. Step 2: Convert to fraction form
    151,761.11/227,193.30 = 145,265.72/x
  3. Step 3: Cross multiply
    151,761.11x = 227,193.30 × 145,265.72
  4. Step 4: Simplify right side
    151,761.11x = 33,003,397,167.71
  5. Step 5: Solve for x
    x = 33,003,397,167.71/151,761.11
  6. Step 6: Final answer
    x = 217,469.40

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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.