Home / 481,780.38-722,719.77-166,236.37

Finding the Fourth Proportional to 481,780.38, 722,719.77 and 166,236.37

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Solution

The fourth proportional to 481,780.38, 722,719.77 and 166,236.37 is: 249,371.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,780.38 : 722,719.77 = 166,236.37 : x
  2. Step 2: Convert to fraction form
    481,780.38/722,719.77 = 166,236.37/x
  3. Step 3: Cross multiply
    481,780.38x = 722,719.77 × 166,236.37
  4. Step 4: Simplify right side
    481,780.38x = 120,142,311,092.04
  5. Step 5: Solve for x
    x = 120,142,311,092.04/481,780.38
  6. Step 6: Final answer
    x = 249,371.53

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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.