Home / 443,276.27-664,712.09-158,856.92

Finding the Fourth Proportional to 443,276.27, 664,712.09 and 158,856.92

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Solution

The fourth proportional to 443,276.27, 664,712.09 and 158,856.92 is: 238,212.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,276.27 : 664,712.09 = 158,856.92 : x
  2. Step 2: Convert to fraction form
    443,276.27/664,712.09 = 158,856.92/x
  3. Step 3: Cross multiply
    443,276.27x = 664,712.09 × 158,856.92
  4. Step 4: Simplify right side
    443,276.27x = 105,594,115,304.16
  5. Step 5: Solve for x
    x = 105,594,115,304.16/443,276.27
  6. Step 6: Final answer
    x = 238,212.88

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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.