Home / 327,077.10-490,805.97-137,523.72

Finding the Fourth Proportional to 327,077.10, 490,805.97 and 137,523.72

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Solution

The fourth proportional to 327,077.10, 490,805.97 and 137,523.72 is: 206,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,077.10 : 490,805.97 = 137,523.72 : x
  2. Step 2: Convert to fraction form
    327,077.10/490,805.97 = 137,523.72/x
  3. Step 3: Cross multiply
    327,077.10x = 490,805.97 × 137,523.72
  4. Step 4: Simplify right side
    327,077.10x = 67,497,462,792.61
  5. Step 5: Solve for x
    x = 67,497,462,792.61/327,077.10
  6. Step 6: Final answer
    x = 206,365.60

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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.