Home / 198,865.37-274,431.35-109,441.37

Finding the Fourth Proportional to 198,865.37, 274,431.35 and 109,441.37

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Solution

The fourth proportional to 198,865.37, 274,431.35 and 109,441.37 is: 151,027.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,865.37 : 274,431.35 = 109,441.37 : x
  2. Step 2: Convert to fraction form
    198,865.37/274,431.35 = 109,441.37/x
  3. Step 3: Cross multiply
    198,865.37x = 274,431.35 × 109,441.37
  4. Step 4: Simplify right side
    198,865.37x = 30,034,141,542.79
  5. Step 5: Solve for x
    x = 30,034,141,542.79/198,865.37
  6. Step 6: Final answer
    x = 151,027.51

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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.