Home / 352,836.30-486,806.78-199,850.16

Finding the Fourth Proportional to 352,836.30, 486,806.78 and 199,850.16

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Solution

The fourth proportional to 352,836.30, 486,806.78 and 199,850.16 is: 275,732.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,836.30 : 486,806.78 = 199,850.16 : x
  2. Step 2: Convert to fraction form
    352,836.30/486,806.78 = 199,850.16/x
  3. Step 3: Cross multiply
    352,836.30x = 486,806.78 × 199,850.16
  4. Step 4: Simplify right side
    352,836.30x = 97,288,412,872.08
  5. Step 5: Solve for x
    x = 97,288,412,872.08/352,836.30
  6. Step 6: Final answer
    x = 275,732.44

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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.