Home / 141,885.60-195,766.80-91,524

Finding the Fourth Proportional to 141,885.60, 195,766.80 and 91,524

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Solution

The fourth proportional to 141,885.60, 195,766.80 and 91,524 is: 126,280.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,885.60 : 195,766.80 = 91,524 : x
  2. Step 2: Convert to fraction form
    141,885.60/195,766.80 = 91,524/x
  3. Step 3: Cross multiply
    141,885.60x = 195,766.80 × 91,524
  4. Step 4: Simplify right side
    141,885.60x = 17,917,360,603.20
  5. Step 5: Solve for x
    x = 17,917,360,603.20/141,885.60
  6. Step 6: Final answer
    x = 126,280.33

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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.