Home / 188,565.60-260,218.38-140,382.96

Finding the Fourth Proportional to 188,565.60, 260,218.38 and 140,382.96

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Solution

The fourth proportional to 188,565.60, 260,218.38 and 140,382.96 is: 193,726.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,565.60 : 260,218.38 = 140,382.96 : x
  2. Step 2: Convert to fraction form
    188,565.60/260,218.38 = 140,382.96/x
  3. Step 3: Cross multiply
    188,565.60x = 260,218.38 × 140,382.96
  4. Step 4: Simplify right side
    188,565.60x = 36,530,226,430.80
  5. Step 5: Solve for x
    x = 36,530,226,430.80/188,565.60
  6. Step 6: Final answer
    x = 193,726.89

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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.