Home / 141,375.35-195,093.04-77,712.69

Finding the Fourth Proportional to 141,375.35, 195,093.04 and 77,712.69

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Solution

The fourth proportional to 141,375.35, 195,093.04 and 77,712.69 is: 107,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,375.35 : 195,093.04 = 77,712.69 : x
  2. Step 2: Convert to fraction form
    141,375.35/195,093.04 = 77,712.69/x
  3. Step 3: Cross multiply
    141,375.35x = 195,093.04 × 77,712.69
  4. Step 4: Simplify right side
    141,375.35x = 15,161,205,400.86
  5. Step 5: Solve for x
    x = 15,161,205,400.86/141,375.35
  6. Step 6: Final answer
    x = 107,240.80

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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.