Home / 203,998.91-281,512.90-113,352.55

Finding the Fourth Proportional to 203,998.91, 281,512.90 and 113,352.55

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Solution

The fourth proportional to 203,998.91, 281,512.90 and 113,352.55 is: 156,423.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,998.91 : 281,512.90 = 113,352.55 : x
  2. Step 2: Convert to fraction form
    203,998.91/281,512.90 = 113,352.55/x
  3. Step 3: Cross multiply
    203,998.91x = 281,512.90 × 113,352.55
  4. Step 4: Simplify right side
    203,998.91x = 31,910,204,510.80
  5. Step 5: Solve for x
    x = 31,910,204,510.80/203,998.91
  6. Step 6: Final answer
    x = 156,423.41

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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.