Home / 199,404.12-275,180.97-108,760.10

Finding the Fourth Proportional to 199,404.12, 275,180.97 and 108,760.10

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Solution

The fourth proportional to 199,404.12, 275,180.97 and 108,760.10 is: 150,090.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,404.12 : 275,180.97 = 108,760.10 : x
  2. Step 2: Convert to fraction form
    199,404.12/275,180.97 = 108,760.10/x
  3. Step 3: Cross multiply
    199,404.12x = 275,180.97 × 108,760.10
  4. Step 4: Simplify right side
    199,404.12x = 29,928,708,847.24
  5. Step 5: Solve for x
    x = 29,928,708,847.24/199,404.12
  6. Step 6: Final answer
    x = 150,090.72

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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.