Home / 297,949.11-411,177.88-161,992.20

Finding the Fourth Proportional to 297,949.11, 411,177.88 and 161,992.20

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Solution

The fourth proportional to 297,949.11, 411,177.88 and 161,992.20 is: 223,553.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,949.11 : 411,177.88 = 161,992.20 : x
  2. Step 2: Convert to fraction form
    297,949.11/411,177.88 = 161,992.20/x
  3. Step 3: Cross multiply
    297,949.11x = 411,177.88 × 161,992.20
  4. Step 4: Simplify right side
    297,949.11x = 66,607,609,372.54
  5. Step 5: Solve for x
    x = 66,607,609,372.54/297,949.11
  6. Step 6: Final answer
    x = 223,553.64

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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.