Home / 198,734.36-274,253.22-113,851.76

Finding the Fourth Proportional to 198,734.36, 274,253.22 and 113,851.76

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Solution

The fourth proportional to 198,734.36, 274,253.22 and 113,851.76 is: 157,115.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,734.36 : 274,253.22 = 113,851.76 : x
  2. Step 2: Convert to fraction form
    198,734.36/274,253.22 = 113,851.76/x
  3. Step 3: Cross multiply
    198,734.36x = 274,253.22 × 113,851.76
  4. Step 4: Simplify right side
    198,734.36x = 31,224,211,782.67
  5. Step 5: Solve for x
    x = 31,224,211,782.67/198,734.36
  6. Step 6: Final answer
    x = 157,115.32

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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.