Home / 203,167.26-280,373.13-112,524.75

Finding the Fourth Proportional to 203,167.26, 280,373.13 and 112,524.75

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Solution

The fourth proportional to 203,167.26, 280,373.13 and 112,524.75 is: 155,285.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,167.26 : 280,373.13 = 112,524.75 : x
  2. Step 2: Convert to fraction form
    203,167.26/280,373.13 = 112,524.75/x
  3. Step 3: Cross multiply
    203,167.26x = 280,373.13 × 112,524.75
  4. Step 4: Simplify right side
    203,167.26x = 31,548,916,359.97
  5. Step 5: Solve for x
    x = 31,548,916,359.97/203,167.26
  6. Step 6: Final answer
    x = 155,285.44

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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.