Home / 327,659.16-491,488.92-91,001.82

Finding the Fourth Proportional to 327,659.16, 491,488.92 and 91,001.82

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Solution

The fourth proportional to 327,659.16, 491,488.92 and 91,001.82 is: 136,502.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,659.16 : 491,488.92 = 91,001.82 : x
  2. Step 2: Convert to fraction form
    327,659.16/491,488.92 = 91,001.82/x
  3. Step 3: Cross multiply
    327,659.16x = 491,488.92 × 91,001.82
  4. Step 4: Simplify right side
    327,659.16x = 44,726,386,229.83
  5. Step 5: Solve for x
    x = 44,726,386,229.83/327,659.16
  6. Step 6: Final answer
    x = 136,502.78

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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.