Home / 141,448.68-195,193.24-80,198.99

Finding the Fourth Proportional to 141,448.68, 195,193.24 and 80,198.99

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Solution

The fourth proportional to 141,448.68, 195,193.24 and 80,198.99 is: 110,671.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,448.68 : 195,193.24 = 80,198.99 : x
  2. Step 2: Convert to fraction form
    141,448.68/195,193.24 = 80,198.99/x
  3. Step 3: Cross multiply
    141,448.68x = 195,193.24 × 80,198.99
  4. Step 4: Simplify right side
    141,448.68x = 15,654,300,990.31
  5. Step 5: Solve for x
    x = 15,654,300,990.31/141,448.68
  6. Step 6: Final answer
    x = 110,671.24

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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.