Home / 141,986.92-195,855.12-90,982.48

Finding the Fourth Proportional to 141,986.92, 195,855.12 and 90,982.48

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Solution

The fourth proportional to 141,986.92, 195,855.12 and 90,982.48 is: 125,500.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,986.92 : 195,855.12 = 90,982.48 : x
  2. Step 2: Convert to fraction form
    141,986.92/195,855.12 = 90,982.48/x
  3. Step 3: Cross multiply
    141,986.92x = 195,855.12 × 90,982.48
  4. Step 4: Simplify right side
    141,986.92x = 17,819,384,538.30
  5. Step 5: Solve for x
    x = 17,819,384,538.30/141,986.92
  6. Step 6: Final answer
    x = 125,500.18

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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.