Home / 327,053.40-451,337.76-197,990.16

Finding the Fourth Proportional to 327,053.40, 451,337.76 and 197,990.16

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Solution

The fourth proportional to 327,053.40, 451,337.76 and 197,990.16 is: 273,228.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,053.40 : 451,337.76 = 197,990.16 : x
  2. Step 2: Convert to fraction form
    327,053.40/451,337.76 = 197,990.16/x
  3. Step 3: Cross multiply
    327,053.40x = 451,337.76 × 197,990.16
  4. Step 4: Simplify right side
    327,053.40x = 89,360,435,316.44
  5. Step 5: Solve for x
    x = 89,360,435,316.44/327,053.40
  6. Step 6: Final answer
    x = 273,228.88

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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.