Home / 198,558.15-274,010.24-107,914.32

Finding the Fourth Proportional to 198,558.15, 274,010.24 and 107,914.32

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Solution

The fourth proportional to 198,558.15, 274,010.24 and 107,914.32 is: 148,921.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,558.15 : 274,010.24 = 107,914.32 : x
  2. Step 2: Convert to fraction form
    198,558.15/274,010.24 = 107,914.32/x
  3. Step 3: Cross multiply
    198,558.15x = 274,010.24 × 107,914.32
  4. Step 4: Simplify right side
    198,558.15x = 29,569,628,183.07
  5. Step 5: Solve for x
    x = 29,569,628,183.07/198,558.15
  6. Step 6: Final answer
    x = 148,921.76

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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.