Home / 198,796.83-274,452.75-131,010.77

Finding the Fourth Proportional to 198,796.83, 274,452.75 and 131,010.77

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Solution

The fourth proportional to 198,796.83, 274,452.75 and 131,010.77 is: 180,869.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,796.83 : 274,452.75 = 131,010.77 : x
  2. Step 2: Convert to fraction form
    198,796.83/274,452.75 = 131,010.77/x
  3. Step 3: Cross multiply
    198,796.83x = 274,452.75 × 131,010.77
  4. Step 4: Simplify right side
    198,796.83x = 35,956,264,733.85
  5. Step 5: Solve for x
    x = 35,956,264,733.85/198,796.83
  6. Step 6: Final answer
    x = 180,869.41

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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.