Home / 198,247.44-298,856.76-185,049.72

Finding the Fourth Proportional to 198,247.44, 298,856.76 and 185,049.72

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Solution

The fourth proportional to 198,247.44, 298,856.76 and 185,049.72 is: 278,961.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,247.44 : 298,856.76 = 185,049.72 : x
  2. Step 2: Convert to fraction form
    198,247.44/298,856.76 = 185,049.72/x
  3. Step 3: Cross multiply
    198,247.44x = 298,856.76 × 185,049.72
  4. Step 4: Simplify right side
    198,247.44x = 55,303,359,758.11
  5. Step 5: Solve for x
    x = 55,303,359,758.11/198,247.44
  6. Step 6: Final answer
    x = 278,961.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.