Home / 199,367.20-275,133.34-108,730.62

Finding the Fourth Proportional to 199,367.20, 275,133.34 and 108,730.62

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Solution

The fourth proportional to 199,367.20, 275,133.34 and 108,730.62 is: 150,051.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,367.20 : 275,133.34 = 108,730.62 : x
  2. Step 2: Convert to fraction form
    199,367.20/275,133.34 = 108,730.62/x
  3. Step 3: Cross multiply
    199,367.20x = 275,133.34 × 108,730.62
  4. Step 4: Simplify right side
    199,367.20x = 29,915,418,640.87
  5. Step 5: Solve for x
    x = 29,915,418,640.87/199,367.20
  6. Step 6: Final answer
    x = 150,051.86

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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.