Home / 205,945.37-284,190.87-115,286.01

Finding the Fourth Proportional to 205,945.37, 284,190.87 and 115,286.01

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Solution

The fourth proportional to 205,945.37, 284,190.87 and 115,286.01 is: 159,087.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,945.37 : 284,190.87 = 115,286.01 : x
  2. Step 2: Convert to fraction form
    205,945.37/284,190.87 = 115,286.01/x
  3. Step 3: Cross multiply
    205,945.37x = 284,190.87 × 115,286.01
  4. Step 4: Simplify right side
    205,945.37x = 32,763,231,480.73
  5. Step 5: Solve for x
    x = 32,763,231,480.73/205,945.37
  6. Step 6: Final answer
    x = 159,087.01

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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.