Home / 199,018.22-274,645.15-108,374.15

Finding the Fourth Proportional to 199,018.22, 274,645.15 and 108,374.15

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Solution

The fourth proportional to 199,018.22, 274,645.15 and 108,374.15 is: 149,556.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,018.22 : 274,645.15 = 108,374.15 : x
  2. Step 2: Convert to fraction form
    199,018.22/274,645.15 = 108,374.15/x
  3. Step 3: Cross multiply
    199,018.22x = 274,645.15 × 108,374.15
  4. Step 4: Simplify right side
    199,018.22x = 29,764,435,098.55
  5. Step 5: Solve for x
    x = 29,764,435,098.55/199,018.22
  6. Step 6: Final answer
    x = 149,556.34

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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.