Home / 151,964.48-227,972.64-67,755.20

Finding the Fourth Proportional to 151,964.48, 227,972.64 and 67,755.20

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Solution

The fourth proportional to 151,964.48, 227,972.64 and 67,755.20 is: 101,644.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,964.48 : 227,972.64 = 67,755.20 : x
  2. Step 2: Convert to fraction form
    151,964.48/227,972.64 = 67,755.20/x
  3. Step 3: Cross multiply
    151,964.48x = 227,972.64 × 67,755.20
  4. Step 4: Simplify right side
    151,964.48x = 15,446,331,817.73
  5. Step 5: Solve for x
    x = 15,446,331,817.73/151,964.48
  6. Step 6: Final answer
    x = 101,644.36

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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.