Home / 198,556.51-274,010.61-107,914.27

Finding the Fourth Proportional to 198,556.51, 274,010.61 and 107,914.27

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Solution

The fourth proportional to 198,556.51, 274,010.61 and 107,914.27 is: 148,923.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,556.51 : 274,010.61 = 107,914.27 : x
  2. Step 2: Convert to fraction form
    198,556.51/274,010.61 = 107,914.27/x
  3. Step 3: Cross multiply
    198,556.51x = 274,010.61 × 107,914.27
  4. Step 4: Simplify right side
    198,556.51x = 29,569,654,670.06
  5. Step 5: Solve for x
    x = 29,569,654,670.06/198,556.51
  6. Step 6: Final answer
    x = 148,923.12

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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.