Home / 327,439.14-491,158.83-147,314.22

Finding the Fourth Proportional to 327,439.14, 491,158.83 and 147,314.22

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Solution

The fourth proportional to 327,439.14, 491,158.83 and 147,314.22 is: 220,971.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,439.14 : 491,158.83 = 147,314.22 : x
  2. Step 2: Convert to fraction form
    327,439.14/491,158.83 = 147,314.22/x
  3. Step 3: Cross multiply
    327,439.14x = 491,158.83 × 147,314.22
  4. Step 4: Simplify right side
    327,439.14x = 72,354,679,937.56
  5. Step 5: Solve for x
    x = 72,354,679,937.56/327,439.14
  6. Step 6: Final answer
    x = 220,971.38

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1.5x scale

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.