Home / 327,152.04-490,763.26-137,631.71

Finding the Fourth Proportional to 327,152.04, 490,763.26 and 137,631.71

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Solution

The fourth proportional to 327,152.04, 490,763.26 and 137,631.71 is: 206,462.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,152.04 : 490,763.26 = 137,631.71 : x
  2. Step 2: Convert to fraction form
    327,152.04/490,763.26 = 137,631.71/x
  3. Step 3: Cross multiply
    327,152.04x = 490,763.26 × 137,631.71
  4. Step 4: Simplify right side
    327,152.04x = 67,544,584,543.20
  5. Step 5: Solve for x
    x = 67,544,584,543.20/327,152.04
  6. Step 6: Final answer
    x = 206,462.37

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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.