Home / 199,520.16-275,339.43-108,876.84

Finding the Fourth Proportional to 199,520.16, 275,339.43 and 108,876.84

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Solution

The fourth proportional to 199,520.16, 275,339.43 and 108,876.84 is: 150,250.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,520.16 : 275,339.43 = 108,876.84 : x
  2. Step 2: Convert to fraction form
    199,520.16/275,339.43 = 108,876.84/x
  3. Step 3: Cross multiply
    199,520.16x = 275,339.43 × 108,876.84
  4. Step 4: Simplify right side
    199,520.16x = 29,978,087,065.80
  5. Step 5: Solve for x
    x = 29,978,087,065.80/199,520.16
  6. Step 6: Final answer
    x = 150,250.92

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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.