Home / 141,863.22-195,788.97-81,452.79

Finding the Fourth Proportional to 141,863.22, 195,788.97 and 81,452.79

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Solution

The fourth proportional to 141,863.22, 195,788.97 and 81,452.79 is: 112,415.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,863.22 : 195,788.97 = 81,452.79 : x
  2. Step 2: Convert to fraction form
    141,863.22/195,788.97 = 81,452.79/x
  3. Step 3: Cross multiply
    141,863.22x = 195,788.97 × 81,452.79
  4. Step 4: Simplify right side
    141,863.22x = 15,947,557,857.73
  5. Step 5: Solve for x
    x = 15,947,557,857.73/141,863.22
  6. Step 6: Final answer
    x = 112,415.03

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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.