Home / 198,819.22-274,378.08-113,952.66

Finding the Fourth Proportional to 198,819.22, 274,378.08 and 113,952.66

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Solution

The fourth proportional to 198,819.22, 274,378.08 and 113,952.66 is: 157,259.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,819.22 : 274,378.08 = 113,952.66 : x
  2. Step 2: Convert to fraction form
    198,819.22/274,378.08 = 113,952.66/x
  3. Step 3: Cross multiply
    198,819.22x = 274,378.08 × 113,952.66
  4. Step 4: Simplify right side
    198,819.22x = 31,266,112,061.69
  5. Step 5: Solve for x
    x = 31,266,112,061.69/198,819.22
  6. Step 6: Final answer
    x = 157,259.00

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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.