Home / 198,984.09-274,596.28-108,339.83

Finding the Fourth Proportional to 198,984.09, 274,596.28 and 108,339.83

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Solution

The fourth proportional to 198,984.09, 274,596.28 and 108,339.83 is: 149,508.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,984.09 : 274,596.28 = 108,339.83 : x
  2. Step 2: Convert to fraction form
    198,984.09/274,596.28 = 108,339.83/x
  3. Step 3: Cross multiply
    198,984.09x = 274,596.28 × 108,339.83
  4. Step 4: Simplify right side
    198,984.09x = 29,749,713,679.74
  5. Step 5: Solve for x
    x = 29,749,713,679.74/198,984.09
  6. Step 6: Final answer
    x = 149,508.00

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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.