Home / 198,778.20-298,167.30-177,005.40

Finding the Fourth Proportional to 198,778.20, 298,167.30 and 177,005.40

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Solution

The fourth proportional to 198,778.20, 298,167.30 and 177,005.40 is: 265,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,778.20 : 298,167.30 = 177,005.40 : x
  2. Step 2: Convert to fraction form
    198,778.20/298,167.30 = 177,005.40/x
  3. Step 3: Cross multiply
    198,778.20x = 298,167.30 × 177,005.40
  4. Step 4: Simplify right side
    198,778.20x = 52,777,222,203.42
  5. Step 5: Solve for x
    x = 52,777,222,203.42/198,778.20
  6. Step 6: Final answer
    x = 265,508.10

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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.