Home / 327,217.83-451,640.79-200,000.07

Finding the Fourth Proportional to 327,217.83, 451,640.79 and 200,000.07

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Solution

The fourth proportional to 327,217.83, 451,640.79 and 200,000.07 is: 276,049.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,217.83 : 451,640.79 = 200,000.07 : x
  2. Step 2: Convert to fraction form
    327,217.83/451,640.79 = 200,000.07/x
  3. Step 3: Cross multiply
    327,217.83x = 451,640.79 × 200,000.07
  4. Step 4: Simplify right side
    327,217.83x = 90,328,186,356.65
  5. Step 5: Solve for x
    x = 90,328,186,356.65/327,217.83
  6. Step 6: Final answer
    x = 276,049.10

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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.