Home / 327,565.68-451,880.28-200,020.56

Finding the Fourth Proportional to 327,565.68, 451,880.28 and 200,020.56

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Solution

The fourth proportional to 327,565.68, 451,880.28 and 200,020.56 is: 275,930.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,565.68 : 451,880.28 = 200,020.56 : x
  2. Step 2: Convert to fraction form
    327,565.68/451,880.28 = 200,020.56/x
  3. Step 3: Cross multiply
    327,565.68x = 451,880.28 × 200,020.56
  4. Step 4: Simplify right side
    327,565.68x = 90,385,346,658.56
  5. Step 5: Solve for x
    x = 90,385,346,658.56/327,565.68
  6. Step 6: Final answer
    x = 275,930.45

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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.