Home / 188,556.80-260,195.84-103,677.44

Finding the Fourth Proportional to 188,556.80, 260,195.84 and 103,677.44

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Solution

The fourth proportional to 188,556.80, 260,195.84 and 103,677.44 is: 143,067.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,556.80 : 260,195.84 = 103,677.44 : x
  2. Step 2: Convert to fraction form
    188,556.80/260,195.84 = 103,677.44/x
  3. Step 3: Cross multiply
    188,556.80x = 260,195.84 × 103,677.44
  4. Step 4: Simplify right side
    188,556.80x = 26,976,438,589.85
  5. Step 5: Solve for x
    x = 26,976,438,589.85/188,556.80
  6. Step 6: Final answer
    x = 143,067.97

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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.