Home / 203,735.85-281,142.18-113,087.49

Finding the Fourth Proportional to 203,735.85, 281,142.18 and 113,087.49

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Solution

The fourth proportional to 203,735.85, 281,142.18 and 113,087.49 is: 156,053.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,735.85 : 281,142.18 = 113,087.49 : x
  2. Step 2: Convert to fraction form
    203,735.85/281,142.18 = 113,087.49/x
  3. Step 3: Cross multiply
    203,735.85x = 281,142.18 × 113,087.49
  4. Step 4: Simplify right side
    203,735.85x = 31,793,663,469.33
  5. Step 5: Solve for x
    x = 31,793,663,469.33/203,735.85
  6. Step 6: Final answer
    x = 156,053.36

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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.