Home / 203,868.20-281,341.88-113,232.56

Finding the Fourth Proportional to 203,868.20, 281,341.88 and 113,232.56

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Solution

The fourth proportional to 203,868.20, 281,341.88 and 113,232.56 is: 156,263.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,868.20 : 281,341.88 = 113,232.56 : x
  2. Step 2: Convert to fraction form
    203,868.20/281,341.88 = 113,232.56/x
  3. Step 3: Cross multiply
    203,868.20x = 281,341.88 × 113,232.56
  4. Step 4: Simplify right side
    203,868.20x = 31,857,061,307.61
  5. Step 5: Solve for x
    x = 31,857,061,307.61/203,868.20
  6. Step 6: Final answer
    x = 156,263.02

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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.