Home / 198,404.56-273,800.64-107,761.60

Finding the Fourth Proportional to 198,404.56, 273,800.64 and 107,761.60

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Solution

The fourth proportional to 198,404.56, 273,800.64 and 107,761.60 is: 148,712.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,404.56 : 273,800.64 = 107,761.60 : x
  2. Step 2: Convert to fraction form
    198,404.56/273,800.64 = 107,761.60/x
  3. Step 3: Cross multiply
    198,404.56x = 273,800.64 × 107,761.60
  4. Step 4: Simplify right side
    198,404.56x = 29,505,195,047.42
  5. Step 5: Solve for x
    x = 29,505,195,047.42/198,404.56
  6. Step 6: Final answer
    x = 148,712.28

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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.