Home / 151,726.20-227,589.30-77,076.60

Finding the Fourth Proportional to 151,726.20, 227,589.30 and 77,076.60

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Solution

The fourth proportional to 151,726.20, 227,589.30 and 77,076.60 is: 115,614.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,726.20 : 227,589.30 = 77,076.60 : x
  2. Step 2: Convert to fraction form
    151,726.20/227,589.30 = 77,076.60/x
  3. Step 3: Cross multiply
    151,726.20x = 227,589.30 × 77,076.60
  4. Step 4: Simplify right side
    151,726.20x = 17,541,809,440.38
  5. Step 5: Solve for x
    x = 17,541,809,440.38/151,726.20
  6. Step 6: Final answer
    x = 115,614.90

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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.