Home / 328,132.92-492,227.18-91,475.83

Finding the Fourth Proportional to 328,132.92, 492,227.18 and 91,475.83

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Solution

The fourth proportional to 328,132.92, 492,227.18 and 91,475.83 is: 137,221.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,132.92 : 492,227.18 = 91,475.83 : x
  2. Step 2: Convert to fraction form
    328,132.92/492,227.18 = 91,475.83/x
  3. Step 3: Cross multiply
    328,132.92x = 492,227.18 × 91,475.83
  4. Step 4: Simplify right side
    328,132.92x = 45,026,890,340.00
  5. Step 5: Solve for x
    x = 45,026,890,340.00/328,132.92
  6. Step 6: Final answer
    x = 137,221.49

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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.