Home / 327,359.10-491,158.57-137,867.16

Finding the Fourth Proportional to 327,359.10, 491,158.57 and 137,867.16

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Solution

The fourth proportional to 327,359.10, 491,158.57 and 137,867.16 is: 206,851.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,359.10 : 491,158.57 = 137,867.16 : x
  2. Step 2: Convert to fraction form
    327,359.10/491,158.57 = 137,867.16/x
  3. Step 3: Cross multiply
    327,359.10x = 491,158.57 × 137,867.16
  4. Step 4: Simplify right side
    327,359.10x = 67,714,637,155.56
  5. Step 5: Solve for x
    x = 67,714,637,155.56/327,359.10
  6. Step 6: Final answer
    x = 206,851.24

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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.