Home / 115,198.54-172,662.06-51,944.61

Finding the Fourth Proportional to 115,198.54, 172,662.06 and 51,944.61

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Solution

The fourth proportional to 115,198.54, 172,662.06 and 51,944.61 is: 77,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,198.54 : 172,662.06 = 51,944.61 : x
  2. Step 2: Convert to fraction form
    115,198.54/172,662.06 = 51,944.61/x
  3. Step 3: Cross multiply
    115,198.54x = 172,662.06 × 51,944.61
  4. Step 4: Simplify right side
    115,198.54x = 8,968,863,658.54
  5. Step 5: Solve for x
    x = 8,968,863,658.54/115,198.54
  6. Step 6: Final answer
    x = 77,855.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.