Home / 320,843.27-481,738.01-178,965.75

Finding the Fourth Proportional to 320,843.27, 481,738.01 and 178,965.75

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Solution

The fourth proportional to 320,843.27, 481,738.01 and 178,965.75 is: 268,712.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,843.27 : 481,738.01 = 178,965.75 : x
  2. Step 2: Convert to fraction form
    320,843.27/481,738.01 = 178,965.75/x
  3. Step 3: Cross multiply
    320,843.27x = 481,738.01 × 178,965.75
  4. Step 4: Simplify right side
    320,843.27x = 86,214,604,710.57
  5. Step 5: Solve for x
    x = 86,214,604,710.57/320,843.27
  6. Step 6: Final answer
    x = 268,712.52

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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.