Home / 198,796.96-274,452.93-131,010.89

Finding the Fourth Proportional to 198,796.96, 274,452.93 and 131,010.89

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Solution

The fourth proportional to 198,796.96, 274,452.93 and 131,010.89 is: 180,869.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,796.96 : 274,452.93 = 131,010.89 : x
  2. Step 2: Convert to fraction form
    198,796.96/274,452.93 = 131,010.89/x
  3. Step 3: Cross multiply
    198,796.96x = 274,452.93 × 131,010.89
  4. Step 4: Simplify right side
    198,796.96x = 35,956,321,967.35
  5. Step 5: Solve for x
    x = 35,956,321,967.35/198,796.96
  6. Step 6: Final answer
    x = 180,869.58

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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.