Home / 203,730.62-281,134.18-113,079.46

Finding the Fourth Proportional to 203,730.62, 281,134.18 and 113,079.46

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Solution

The fourth proportional to 203,730.62, 281,134.18 and 113,079.46 is: 156,041.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,730.62 : 281,134.18 = 113,079.46 : x
  2. Step 2: Convert to fraction form
    203,730.62/281,134.18 = 113,079.46/x
  3. Step 3: Cross multiply
    203,730.62x = 281,134.18 × 113,079.46
  4. Step 4: Simplify right side
    203,730.62x = 31,790,499,856.27
  5. Step 5: Solve for x
    x = 31,790,499,856.27/203,730.62
  6. Step 6: Final answer
    x = 156,041.84

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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.