Home / 198,906.10-298,359.15-195,625.60

Finding the Fourth Proportional to 198,906.10, 298,359.15 and 195,625.60

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Solution

The fourth proportional to 198,906.10, 298,359.15 and 195,625.60 is: 293,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,906.10 : 298,359.15 = 195,625.60 : x
  2. Step 2: Convert to fraction form
    198,906.10/298,359.15 = 195,625.60/x
  3. Step 3: Cross multiply
    198,906.10x = 298,359.15 × 195,625.60
  4. Step 4: Simplify right side
    198,906.10x = 58,366,687,734.24
  5. Step 5: Solve for x
    x = 58,366,687,734.24/198,906.10
  6. Step 6: Final answer
    x = 293,438.40

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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.