Home / 215,821.44-323,761.71-73,628.54

Finding the Fourth Proportional to 215,821.44, 323,761.71 and 73,628.54

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Solution

The fourth proportional to 215,821.44, 323,761.71 and 73,628.54 is: 110,452.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,821.44 : 323,761.71 = 73,628.54 : x
  2. Step 2: Convert to fraction form
    215,821.44/323,761.71 = 73,628.54/x
  3. Step 3: Cross multiply
    215,821.44x = 323,761.71 × 73,628.54
  4. Step 4: Simplify right side
    215,821.44x = 23,838,102,015.20
  5. Step 5: Solve for x
    x = 23,838,102,015.20/215,821.44
  6. Step 6: Final answer
    x = 110,452.89

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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.