Home / 203,873.20-281,348.76-113,237.56

Finding the Fourth Proportional to 203,873.20, 281,348.76 and 113,237.56

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Solution

The fourth proportional to 203,873.20, 281,348.76 and 113,237.56 is: 156,269.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,873.20 : 281,348.76 = 113,237.56 : x
  2. Step 2: Convert to fraction form
    203,873.20/281,348.76 = 113,237.56/x
  3. Step 3: Cross multiply
    203,873.20x = 281,348.76 × 113,237.56
  4. Step 4: Simplify right side
    203,873.20x = 31,859,247,091.43
  5. Step 5: Solve for x
    x = 31,859,247,091.43/203,873.20
  6. Step 6: Final answer
    x = 156,269.91

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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.