Home / 188,540.73-260,196.72-103,675.41

Finding the Fourth Proportional to 188,540.73, 260,196.72 and 103,675.41

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Solution

The fourth proportional to 188,540.73, 260,196.72 and 103,675.41 is: 143,077.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,540.73 : 260,196.72 = 103,675.41 : x
  2. Step 2: Convert to fraction form
    188,540.73/260,196.72 = 103,675.41/x
  3. Step 3: Cross multiply
    188,540.73x = 260,196.72 × 103,675.41
  4. Step 4: Simplify right side
    188,540.73x = 26,976,001,626.66
  5. Step 5: Solve for x
    x = 26,976,001,626.66/188,540.73
  6. Step 6: Final answer
    x = 143,077.85

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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.