Home / 198,403.56-273,799.26-107,760.60

Finding the Fourth Proportional to 198,403.56, 273,799.26 and 107,760.60

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Solution

The fourth proportional to 198,403.56, 273,799.26 and 107,760.60 is: 148,710.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,403.56 : 273,799.26 = 107,760.60 : x
  2. Step 2: Convert to fraction form
    198,403.56/273,799.26 = 107,760.60/x
  3. Step 3: Cross multiply
    198,403.56x = 273,799.26 × 107,760.60
  4. Step 4: Simplify right side
    198,403.56x = 29,504,772,537.16
  5. Step 5: Solve for x
    x = 29,504,772,537.16/198,403.56
  6. Step 6: Final answer
    x = 148,710.90

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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.