Home / 198,552.31-274,004.30-107,908.27

Finding the Fourth Proportional to 198,552.31, 274,004.30 and 107,908.27

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Solution

The fourth proportional to 198,552.31, 274,004.30 and 107,908.27 is: 148,914.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,552.31 : 274,004.30 = 107,908.27 : x
  2. Step 2: Convert to fraction form
    198,552.31/274,004.30 = 107,908.27/x
  3. Step 3: Cross multiply
    198,552.31x = 274,004.30 × 107,908.27
  4. Step 4: Simplify right side
    198,552.31x = 29,567,329,570.32
  5. Step 5: Solve for x
    x = 29,567,329,570.32/198,552.31
  6. Step 6: Final answer
    x = 148,914.56

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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.