Home / 198,275.73-273,625.35-107,631.45

Finding the Fourth Proportional to 198,275.73, 273,625.35 and 107,631.45

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Solution

The fourth proportional to 198,275.73, 273,625.35 and 107,631.45 is: 148,534.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,275.73 : 273,625.35 = 107,631.45 : x
  2. Step 2: Convert to fraction form
    198,275.73/273,625.35 = 107,631.45/x
  3. Step 3: Cross multiply
    198,275.73x = 273,625.35 × 107,631.45
  4. Step 4: Simplify right side
    198,275.73x = 29,450,693,177.26
  5. Step 5: Solve for x
    x = 29,450,693,177.26/198,275.73
  6. Step 6: Final answer
    x = 148,534.03

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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.