Home / 151,839.20-227,753.40-68,733.20

Finding the Fourth Proportional to 151,839.20, 227,753.40 and 68,733.20

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Solution

The fourth proportional to 151,839.20, 227,753.40 and 68,733.20 is: 103,097.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,839.20 : 227,753.40 = 68,733.20 : x
  2. Step 2: Convert to fraction form
    151,839.20/227,753.40 = 68,733.20/x
  3. Step 3: Cross multiply
    151,839.20x = 227,753.40 × 68,733.20
  4. Step 4: Simplify right side
    151,839.20x = 15,654,219,992.88
  5. Step 5: Solve for x
    x = 15,654,219,992.88/151,839.20
  6. Step 6: Final answer
    x = 103,097.36

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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.