Home / 198,932.68-274,539.54-109,508.68

Finding the Fourth Proportional to 198,932.68, 274,539.54 and 109,508.68

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Solution

The fourth proportional to 198,932.68, 274,539.54 and 109,508.68 is: 151,128.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,932.68 : 274,539.54 = 109,508.68 : x
  2. Step 2: Convert to fraction form
    198,932.68/274,539.54 = 109,508.68/x
  3. Step 3: Cross multiply
    198,932.68x = 274,539.54 × 109,508.68
  4. Step 4: Simplify right side
    198,932.68x = 30,064,462,633.21
  5. Step 5: Solve for x
    x = 30,064,462,633.21/198,932.68
  6. Step 6: Final answer
    x = 151,128.83

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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.