Home / 198,470.58-273,884.65-107,824.56

Finding the Fourth Proportional to 198,470.58, 273,884.65 and 107,824.56

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Solution

The fourth proportional to 198,470.58, 273,884.65 and 107,824.56 is: 148,795.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,470.58 : 273,884.65 = 107,824.56 : x
  2. Step 2: Convert to fraction form
    198,470.58/273,884.65 = 107,824.56/x
  3. Step 3: Cross multiply
    198,470.58x = 273,884.65 × 107,824.56
  4. Step 4: Simplify right side
    198,470.58x = 29,531,491,877.00
  5. Step 5: Solve for x
    x = 29,531,491,877.00/198,470.58
  6. Step 6: Final answer
    x = 148,795.31

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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.