Home / 198,205.73-273,524.07-107,561.69

Finding the Fourth Proportional to 198,205.73, 273,524.07 and 107,561.69

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Solution

The fourth proportional to 198,205.73, 273,524.07 and 107,561.69 is: 148,435.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,205.73 : 273,524.07 = 107,561.69 : x
  2. Step 2: Convert to fraction form
    198,205.73/273,524.07 = 107,561.69/x
  3. Step 3: Cross multiply
    198,205.73x = 273,524.07 × 107,561.69
  4. Step 4: Simplify right side
    198,205.73x = 29,420,709,857.26
  5. Step 5: Solve for x
    x = 29,420,709,857.26/198,205.73
  6. Step 6: Final answer
    x = 148,435.22

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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.