Home / 203,727.20-281,139.18-113,077.88

Finding the Fourth Proportional to 203,727.20, 281,139.18 and 113,077.88

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Solution

The fourth proportional to 203,727.20, 281,139.18 and 113,077.88 is: 156,045.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,727.20 : 281,139.18 = 113,077.88 : x
  2. Step 2: Convert to fraction form
    203,727.20/281,139.18 = 113,077.88/x
  3. Step 3: Cross multiply
    203,727.20x = 281,139.18 × 113,077.88
  4. Step 4: Simplify right side
    203,727.20x = 31,790,622,459.34
  5. Step 5: Solve for x
    x = 31,790,622,459.34/203,727.20
  6. Step 6: Final answer
    x = 156,045.06

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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.