Home / 199,082.20-298,220.10-123,971.80

Finding the Fourth Proportional to 199,082.20, 298,220.10 and 123,971.80

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Solution

The fourth proportional to 199,082.20, 298,220.10 and 123,971.80 is: 185,706.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,082.20 : 298,220.10 = 123,971.80 : x
  2. Step 2: Convert to fraction form
    199,082.20/298,220.10 = 123,971.80/x
  3. Step 3: Cross multiply
    199,082.20x = 298,220.10 × 123,971.80
  4. Step 4: Simplify right side
    199,082.20x = 36,970,882,593.18
  5. Step 5: Solve for x
    x = 36,970,882,593.18/199,082.20
  6. Step 6: Final answer
    x = 185,706.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.