Home / 141,375.44-195,102.60-77,715.92

Finding the Fourth Proportional to 141,375.44, 195,102.60 and 77,715.92

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Solution

The fourth proportional to 141,375.44, 195,102.60 and 77,715.92 is: 107,250.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,375.44 : 195,102.60 = 77,715.92 : x
  2. Step 2: Convert to fraction form
    141,375.44/195,102.60 = 77,715.92/x
  3. Step 3: Cross multiply
    141,375.44x = 195,102.60 × 77,715.92
  4. Step 4: Simplify right side
    141,375.44x = 15,162,578,053.39
  5. Step 5: Solve for x
    x = 15,162,578,053.39/141,375.44
  6. Step 6: Final answer
    x = 107,250.44

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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.