Home / 141,517.69-195,294.41-77,854.12

Finding the Fourth Proportional to 141,517.69, 195,294.41 and 77,854.12

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Solution

The fourth proportional to 141,517.69, 195,294.41 and 77,854.12 is: 107,438.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,517.69 : 195,294.41 = 77,854.12 : x
  2. Step 2: Convert to fraction form
    141,517.69/195,294.41 = 77,854.12/x
  3. Step 3: Cross multiply
    141,517.69x = 195,294.41 × 77,854.12
  4. Step 4: Simplify right side
    141,517.69x = 15,204,473,845.92
  5. Step 5: Solve for x
    x = 15,204,473,845.92/141,517.69
  6. Step 6: Final answer
    x = 107,438.68

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1.5x scale

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.