Home / 198,492.11-273,921.61-107,849.60

Finding the Fourth Proportional to 198,492.11, 273,921.61 and 107,849.60

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Solution

The fourth proportional to 198,492.11, 273,921.61 and 107,849.60 is: 148,833.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,492.11 : 273,921.61 = 107,849.60 : x
  2. Step 2: Convert to fraction form
    198,492.11/273,921.61 = 107,849.60/x
  3. Step 3: Cross multiply
    198,492.11x = 273,921.61 × 107,849.60
  4. Step 4: Simplify right side
    198,492.11x = 29,542,336,069.86
  5. Step 5: Solve for x
    x = 29,542,336,069.86/198,492.11
  6. Step 6: Final answer
    x = 148,833.81

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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.