Home / 199,023.52-274,648.50-108,380.60

Finding the Fourth Proportional to 199,023.52, 274,648.50 and 108,380.60

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Solution

The fourth proportional to 199,023.52, 274,648.50 and 108,380.60 is: 149,563.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,023.52 : 274,648.50 = 108,380.60 : x
  2. Step 2: Convert to fraction form
    199,023.52/274,648.50 = 108,380.60/x
  3. Step 3: Cross multiply
    199,023.52x = 274,648.50 × 108,380.60
  4. Step 4: Simplify right side
    199,023.52x = 29,766,569,219.10
  5. Step 5: Solve for x
    x = 29,766,569,219.10/199,023.52
  6. Step 6: Final answer
    x = 149,563.07

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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.