Home / 203,716.35-281,115.30-113,067.96

Finding the Fourth Proportional to 203,716.35, 281,115.30 and 113,067.96

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Solution

The fourth proportional to 203,716.35, 281,115.30 and 113,067.96 is: 156,026.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,716.35 : 281,115.30 = 113,067.96 : x
  2. Step 2: Convert to fraction form
    203,716.35/281,115.30 = 113,067.96/x
  3. Step 3: Cross multiply
    203,716.35x = 281,115.30 × 113,067.96
  4. Step 4: Simplify right side
    203,716.35x = 31,785,133,495.79
  5. Step 5: Solve for x
    x = 31,785,133,495.79/203,716.35
  6. Step 6: Final answer
    x = 156,026.42

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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.