Home / 331,100.33-496,724.49-120,738.24

Finding the Fourth Proportional to 331,100.33, 496,724.49 and 120,738.24

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Solution

The fourth proportional to 331,100.33, 496,724.49 and 120,738.24 is: 181,134.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,100.33 : 496,724.49 = 120,738.24 : x
  2. Step 2: Convert to fraction form
    331,100.33/496,724.49 = 120,738.24/x
  3. Step 3: Cross multiply
    331,100.33x = 496,724.49 × 120,738.24
  4. Step 4: Simplify right side
    331,100.33x = 59,973,640,687.50
  5. Step 5: Solve for x
    x = 59,973,640,687.50/331,100.33
  6. Step 6: Final answer
    x = 181,134.35

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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.