Home / 141,623.13-195,067.61-108,854.88

Finding the Fourth Proportional to 141,623.13, 195,067.61 and 108,854.88

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Solution

The fourth proportional to 141,623.13, 195,067.61 and 108,854.88 is: 149,933.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,623.13 : 195,067.61 = 108,854.88 : x
  2. Step 2: Convert to fraction form
    141,623.13/195,067.61 = 108,854.88/x
  3. Step 3: Cross multiply
    141,623.13x = 195,067.61 × 108,854.88
  4. Step 4: Simplify right side
    141,623.13x = 21,234,061,278.44
  5. Step 5: Solve for x
    x = 21,234,061,278.44/141,623.13
  6. Step 6: Final answer
    x = 149,933.57

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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.