Home / 141,824.07-195,716.79-78,161.85

Finding the Fourth Proportional to 141,824.07, 195,716.79 and 78,161.85

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Solution

The fourth proportional to 141,824.07, 195,716.79 and 78,161.85 is: 107,863.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,824.07 : 195,716.79 = 78,161.85 : x
  2. Step 2: Convert to fraction form
    141,824.07/195,716.79 = 78,161.85/x
  3. Step 3: Cross multiply
    141,824.07x = 195,716.79 × 78,161.85
  4. Step 4: Simplify right side
    141,824.07x = 15,297,586,382.46
  5. Step 5: Solve for x
    x = 15,297,586,382.46/141,824.07
  6. Step 6: Final answer
    x = 107,863.12

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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.