Home / 199,858.20-275,801.04-109,212.24

Finding the Fourth Proportional to 199,858.20, 275,801.04 and 109,212.24

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Solution

The fourth proportional to 199,858.20, 275,801.04 and 109,212.24 is: 150,711.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,858.20 : 275,801.04 = 109,212.24 : x
  2. Step 2: Convert to fraction form
    199,858.20/275,801.04 = 109,212.24/x
  3. Step 3: Cross multiply
    199,858.20x = 275,801.04 × 109,212.24
  4. Step 4: Simplify right side
    199,858.20x = 30,120,849,372.73
  5. Step 5: Solve for x
    x = 30,120,849,372.73/199,858.20
  6. Step 6: Final answer
    x = 150,711.10

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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.