Home / 199,148.22-274,821.09-108,504.86

Finding the Fourth Proportional to 199,148.22, 274,821.09 and 108,504.86

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Solution

The fourth proportional to 199,148.22, 274,821.09 and 108,504.86 is: 149,734.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,148.22 : 274,821.09 = 108,504.86 : x
  2. Step 2: Convert to fraction form
    199,148.22/274,821.09 = 108,504.86/x
  3. Step 3: Cross multiply
    199,148.22x = 274,821.09 × 108,504.86
  4. Step 4: Simplify right side
    199,148.22x = 29,819,422,521.39
  5. Step 5: Solve for x
    x = 29,819,422,521.39/199,148.22
  6. Step 6: Final answer
    x = 149,734.82

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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.