Home / 192,917.97-266,018.85-131,671.04

Finding the Fourth Proportional to 192,917.97, 266,018.85 and 131,671.04

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Solution

The fourth proportional to 192,917.97, 266,018.85 and 131,671.04 is: 181,564.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,917.97 : 266,018.85 = 131,671.04 : x
  2. Step 2: Convert to fraction form
    192,917.97/266,018.85 = 131,671.04/x
  3. Step 3: Cross multiply
    192,917.97x = 266,018.85 × 131,671.04
  4. Step 4: Simplify right side
    192,917.97x = 35,026,977,309.01
  5. Step 5: Solve for x
    x = 35,026,977,309.01/192,917.97
  6. Step 6: Final answer
    x = 181,564.10

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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.