Home / 141,546.15-195,311.39-81,105.17

Finding the Fourth Proportional to 141,546.15, 195,311.39 and 81,105.17

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Solution

The fourth proportional to 141,546.15, 195,311.39 and 81,105.17 is: 111,912.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,546.15 : 195,311.39 = 81,105.17 : x
  2. Step 2: Convert to fraction form
    141,546.15/195,311.39 = 81,105.17/x
  3. Step 3: Cross multiply
    141,546.15x = 195,311.39 × 81,105.17
  4. Step 4: Simplify right side
    141,546.15x = 15,840,762,106.80
  5. Step 5: Solve for x
    x = 15,840,762,106.80/141,546.15
  6. Step 6: Final answer
    x = 111,912.35

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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.