Home / 151,732.20-227,727.90-67,621.80

Finding the Fourth Proportional to 151,732.20, 227,727.90 and 67,621.80

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Solution

The fourth proportional to 151,732.20, 227,727.90 and 67,621.80 is: 101,490.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,732.20 : 227,727.90 = 67,621.80 : x
  2. Step 2: Convert to fraction form
    151,732.20/227,727.90 = 67,621.80/x
  3. Step 3: Cross multiply
    151,732.20x = 227,727.90 × 67,621.80
  4. Step 4: Simplify right side
    151,732.20x = 15,399,370,508.22
  5. Step 5: Solve for x
    x = 15,399,370,508.22/151,732.20
  6. Step 6: Final answer
    x = 101,490.46

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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.