Home / 198,273.57-273,617.87-107,629.60

Finding the Fourth Proportional to 198,273.57, 273,617.87 and 107,629.60

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Solution

The fourth proportional to 198,273.57, 273,617.87 and 107,629.60 is: 148,529.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,273.57 : 273,617.87 = 107,629.60 : x
  2. Step 2: Convert to fraction form
    198,273.57/273,617.87 = 107,629.60/x
  3. Step 3: Cross multiply
    198,273.57x = 273,617.87 × 107,629.60
  4. Step 4: Simplify right side
    198,273.57x = 29,449,381,715.14
  5. Step 5: Solve for x
    x = 29,449,381,715.14/198,273.57
  6. Step 6: Final answer
    x = 148,529.03

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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.