Home / 327,359.56-491,159.28-137,867.62

Finding the Fourth Proportional to 327,359.56, 491,159.28 and 137,867.62

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Solution

The fourth proportional to 327,359.56, 491,159.28 and 137,867.62 is: 206,851.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,359.56 : 491,159.28 = 137,867.62 : x
  2. Step 2: Convert to fraction form
    327,359.56/491,159.28 = 137,867.62/x
  3. Step 3: Cross multiply
    327,359.56x = 491,159.28 × 137,867.62
  4. Step 4: Simplify right side
    327,359.56x = 67,714,960,974.51
  5. Step 5: Solve for x
    x = 67,714,960,974.51/327,359.56
  6. Step 6: Final answer
    x = 206,851.94

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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.