Home / 215,524.14-321,387.56-200,565.06

Finding the Fourth Proportional to 215,524.14, 321,387.56 and 200,565.06

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Solution

The fourth proportional to 215,524.14, 321,387.56 and 200,565.06 is: 299,080.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,524.14 : 321,387.56 = 200,565.06 : x
  2. Step 2: Convert to fraction form
    215,524.14/321,387.56 = 200,565.06/x
  3. Step 3: Cross multiply
    215,524.14x = 321,387.56 × 200,565.06
  4. Step 4: Simplify right side
    215,524.14x = 64,459,114,251.83
  5. Step 5: Solve for x
    x = 64,459,114,251.83/215,524.14
  6. Step 6: Final answer
    x = 299,080.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.