Home / 141,816.97-195,707.46-77,286.23

Finding the Fourth Proportional to 141,816.97, 195,707.46 and 77,286.23

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Solution

The fourth proportional to 141,816.97, 195,707.46 and 77,286.23 is: 106,655.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,816.97 : 195,707.46 = 77,286.23 : x
  2. Step 2: Convert to fraction form
    141,816.97/195,707.46 = 77,286.23/x
  3. Step 3: Cross multiply
    141,816.97x = 195,707.46 × 77,286.23
  4. Step 4: Simplify right side
    141,816.97x = 15,125,491,766.28
  5. Step 5: Solve for x
    x = 15,125,491,766.28/141,816.97
  6. Step 6: Final answer
    x = 106,655.02

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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.