Home / 141,948.68-195,893.55-81,531.44

Finding the Fourth Proportional to 141,948.68, 195,893.55 and 81,531.44

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Solution

The fourth proportional to 141,948.68, 195,893.55 and 81,531.44 is: 112,515.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,948.68 : 195,893.55 = 81,531.44 : x
  2. Step 2: Convert to fraction form
    141,948.68/195,893.55 = 81,531.44/x
  3. Step 3: Cross multiply
    141,948.68x = 195,893.55 × 81,531.44
  4. Step 4: Simplify right side
    141,948.68x = 15,971,482,524.65
  5. Step 5: Solve for x
    x = 15,971,482,524.65/141,948.68
  6. Step 6: Final answer
    x = 112,515.90

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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.