Home / 198,777.34-274,319.97-113,910.81

Finding the Fourth Proportional to 198,777.34, 274,319.97 and 113,910.81

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Solution

The fourth proportional to 198,777.34, 274,319.97 and 113,910.81 is: 157,201.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,777.34 : 274,319.97 = 113,910.81 : x
  2. Step 2: Convert to fraction form
    198,777.34/274,319.97 = 113,910.81/x
  3. Step 3: Cross multiply
    198,777.34x = 274,319.97 × 113,910.81
  4. Step 4: Simplify right side
    198,777.34x = 31,248,008,526.01
  5. Step 5: Solve for x
    x = 31,248,008,526.01/198,777.34
  6. Step 6: Final answer
    x = 157,201.06

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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.