Home / 498,931.76-748,387.02-161,971.92

Finding the Fourth Proportional to 498,931.76, 748,387.02 and 161,971.92

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Solution

The fourth proportional to 498,931.76, 748,387.02 and 161,971.92 is: 242,954.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,931.76 : 748,387.02 = 161,971.92 : x
  2. Step 2: Convert to fraction form
    498,931.76/748,387.02 = 161,971.92/x
  3. Step 3: Cross multiply
    498,931.76x = 748,387.02 × 161,971.92
  4. Step 4: Simplify right side
    498,931.76x = 121,217,682,532.48
  5. Step 5: Solve for x
    x = 121,217,682,532.48/498,931.76
  6. Step 6: Final answer
    x = 242,954.43

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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.