Home / 203,902.68-281,381.94-113,255.04

Finding the Fourth Proportional to 203,902.68, 281,381.94 and 113,255.04

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Solution

The fourth proportional to 203,902.68, 281,381.94 and 113,255.04 is: 156,289.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,902.68 : 281,381.94 = 113,255.04 : x
  2. Step 2: Convert to fraction form
    203,902.68/281,381.94 = 113,255.04/x
  3. Step 3: Cross multiply
    203,902.68x = 281,381.94 × 113,255.04
  4. Step 4: Simplify right side
    203,902.68x = 31,867,922,869.98
  5. Step 5: Solve for x
    x = 31,867,922,869.98/203,902.68
  6. Step 6: Final answer
    x = 156,289.87

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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.