Home / 199,231.57-274,939.78-108,587.61

Finding the Fourth Proportional to 199,231.57, 274,939.78 and 108,587.61

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Solution

The fourth proportional to 199,231.57, 274,939.78 and 108,587.61 is: 149,851.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,231.57 : 274,939.78 = 108,587.61 : x
  2. Step 2: Convert to fraction form
    199,231.57/274,939.78 = 108,587.61/x
  3. Step 3: Cross multiply
    199,231.57x = 274,939.78 × 108,587.61
  4. Step 4: Simplify right side
    199,231.57x = 29,855,054,462.23
  5. Step 5: Solve for x
    x = 29,855,054,462.23/199,231.57
  6. Step 6: Final answer
    x = 149,851.02

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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.