Home / 327,155.46-490,532.25-127,242.85

Finding the Fourth Proportional to 327,155.46, 490,532.25 and 127,242.85

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Solution

The fourth proportional to 327,155.46, 490,532.25 and 127,242.85 is: 190,786.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,155.46 : 490,532.25 = 127,242.85 : x
  2. Step 2: Convert to fraction form
    327,155.46/490,532.25 = 127,242.85/x
  3. Step 3: Cross multiply
    327,155.46x = 490,532.25 × 127,242.85
  4. Step 4: Simplify right side
    327,155.46x = 62,416,721,677.49
  5. Step 5: Solve for x
    x = 62,416,721,677.49/327,155.46
  6. Step 6: Final answer
    x = 190,786.12

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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.