Home / 188,013.29-281,879.67-113,115.88

Finding the Fourth Proportional to 188,013.29, 281,879.67 and 113,115.88

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Solution

The fourth proportional to 188,013.29, 281,879.67 and 113,115.88 is: 169,589.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,013.29 : 281,879.67 = 113,115.88 : x
  2. Step 2: Convert to fraction form
    188,013.29/281,879.67 = 113,115.88/x
  3. Step 3: Cross multiply
    188,013.29x = 281,879.67 × 113,115.88
  4. Step 4: Simplify right side
    188,013.29x = 31,885,067,066.42
  5. Step 5: Solve for x
    x = 31,885,067,066.42/188,013.29
  6. Step 6: Final answer
    x = 169,589.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.