Home / 141,754.25-195,620.46-78,092.12

Finding the Fourth Proportional to 141,754.25, 195,620.46 and 78,092.12

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Solution

The fourth proportional to 141,754.25, 195,620.46 and 78,092.12 is: 107,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,754.25 : 195,620.46 = 78,092.12 : x
  2. Step 2: Convert to fraction form
    141,754.25/195,620.46 = 78,092.12/x
  3. Step 3: Cross multiply
    141,754.25x = 195,620.46 × 78,092.12
  4. Step 4: Simplify right side
    141,754.25x = 15,276,416,632.98
  5. Step 5: Solve for x
    x = 15,276,416,632.98/141,754.25
  6. Step 6: Final answer
    x = 107,766.90

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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.