Home / 198,579.75-274,032.01-107,933.61

Finding the Fourth Proportional to 198,579.75, 274,032.01 and 107,933.61

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Solution

The fourth proportional to 198,579.75, 274,032.01 and 107,933.61 is: 148,944.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,579.75 : 274,032.01 = 107,933.61 : x
  2. Step 2: Convert to fraction form
    198,579.75/274,032.01 = 107,933.61/x
  3. Step 3: Cross multiply
    198,579.75x = 274,032.01 × 107,933.61
  4. Step 4: Simplify right side
    198,579.75x = 29,577,265,257.39
  5. Step 5: Solve for x
    x = 29,577,265,257.39/198,579.75
  6. Step 6: Final answer
    x = 148,944.01

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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.