Home / 197,965.67-273,192.69-107,321.61

Finding the Fourth Proportional to 197,965.67, 273,192.69 and 107,321.61

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Solution

The fourth proportional to 197,965.67, 273,192.69 and 107,321.61 is: 148,103.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,965.67 : 273,192.69 = 107,321.61 : x
  2. Step 2: Convert to fraction form
    197,965.67/273,192.69 = 107,321.61/x
  3. Step 3: Cross multiply
    197,965.67x = 273,192.69 × 107,321.61
  4. Step 4: Simplify right side
    197,965.67x = 29,319,479,331.03
  5. Step 5: Solve for x
    x = 29,319,479,331.03/197,965.67
  6. Step 6: Final answer
    x = 148,103.86

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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.