Home / 215,824.13-323,765.73-73,631.22

Finding the Fourth Proportional to 215,824.13, 323,765.73 and 73,631.22

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Solution

The fourth proportional to 215,824.13, 323,765.73 and 73,631.22 is: 110,456.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,824.13 : 323,765.73 = 73,631.22 : x
  2. Step 2: Convert to fraction form
    215,824.13/323,765.73 = 73,631.22/x
  3. Step 3: Cross multiply
    215,824.13x = 323,765.73 × 73,631.22
  4. Step 4: Simplify right side
    215,824.13x = 23,839,265,694.09
  5. Step 5: Solve for x
    x = 23,839,265,694.09/215,824.13
  6. Step 6: Final answer
    x = 110,456.91

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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.