Home / 198,197.53-273,446.37-112,144.54

Finding the Fourth Proportional to 198,197.53, 273,446.37 and 112,144.54

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Solution

The fourth proportional to 198,197.53, 273,446.37 and 112,144.54 is: 154,722.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,197.53 : 273,446.37 = 112,144.54 : x
  2. Step 2: Convert to fraction form
    198,197.53/273,446.37 = 112,144.54/x
  3. Step 3: Cross multiply
    198,197.53x = 273,446.37 × 112,144.54
  4. Step 4: Simplify right side
    198,197.53x = 30,665,517,378.32
  5. Step 5: Solve for x
    x = 30,665,517,378.32/198,197.53
  6. Step 6: Final answer
    x = 154,722.00

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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.