Home / 151,723.20-227,714.40-67,612.80

Finding the Fourth Proportional to 151,723.20, 227,714.40 and 67,612.80

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Solution

The fourth proportional to 151,723.20, 227,714.40 and 67,612.80 is: 101,476.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,723.20 : 227,714.40 = 67,612.80 : x
  2. Step 2: Convert to fraction form
    151,723.20/227,714.40 = 67,612.80/x
  3. Step 3: Cross multiply
    151,723.20x = 227,714.40 × 67,612.80
  4. Step 4: Simplify right side
    151,723.20x = 15,396,408,184.32
  5. Step 5: Solve for x
    x = 15,396,408,184.32/151,723.20
  6. Step 6: Final answer
    x = 101,476.95

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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.