Home / 198,562.17-274,017.59-107,918.35

Finding the Fourth Proportional to 198,562.17, 274,017.59 and 107,918.35

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Solution

The fourth proportional to 198,562.17, 274,017.59 and 107,918.35 is: 148,928.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,562.17 : 274,017.59 = 107,918.35 : x
  2. Step 2: Convert to fraction form
    198,562.17/274,017.59 = 107,918.35/x
  3. Step 3: Cross multiply
    198,562.17x = 274,017.59 × 107,918.35
  4. Step 4: Simplify right side
    198,562.17x = 29,571,526,183.78
  5. Step 5: Solve for x
    x = 29,571,526,183.78/198,562.17
  6. Step 6: Final answer
    x = 148,928.30

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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.