Home / 141,517.33-195,294.88-76,987.16

Finding the Fourth Proportional to 141,517.33, 195,294.88 and 76,987.16

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Solution

The fourth proportional to 141,517.33, 195,294.88 and 76,987.16 is: 106,242.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,517.33 : 195,294.88 = 76,987.16 : x
  2. Step 2: Convert to fraction form
    141,517.33/195,294.88 = 76,987.16/x
  3. Step 3: Cross multiply
    141,517.33x = 195,294.88 × 76,987.16
  4. Step 4: Simplify right side
    141,517.33x = 15,035,198,025.86
  5. Step 5: Solve for x
    x = 15,035,198,025.86/141,517.33
  6. Step 6: Final answer
    x = 106,242.81

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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.