Home / 327,147.30-451,432.17-191,213.10

Finding the Fourth Proportional to 327,147.30, 451,432.17 and 191,213.10

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Solution

The fourth proportional to 327,147.30, 451,432.17 and 191,213.10 is: 263,855.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,147.30 : 451,432.17 = 191,213.10 : x
  2. Step 2: Convert to fraction form
    327,147.30/451,432.17 = 191,213.10/x
  3. Step 3: Cross multiply
    327,147.30x = 451,432.17 × 191,213.10
  4. Step 4: Simplify right side
    327,147.30x = 86,319,744,665.43
  5. Step 5: Solve for x
    x = 86,319,744,665.43/327,147.30
  6. Step 6: Final answer
    x = 263,855.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.