Home / 215,208.90-322,810.68-96,796.62

Finding the Fourth Proportional to 215,208.90, 322,810.68 and 96,796.62

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Solution

The fourth proportional to 215,208.90, 322,810.68 and 96,796.62 is: 145,193.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,208.90 : 322,810.68 = 96,796.62 : x
  2. Step 2: Convert to fraction form
    215,208.90/322,810.68 = 96,796.62/x
  3. Step 3: Cross multiply
    215,208.90x = 322,810.68 × 96,796.62
  4. Step 4: Simplify right side
    215,208.90x = 31,246,982,723.90
  5. Step 5: Solve for x
    x = 31,246,982,723.90/215,208.90
  6. Step 6: Final answer
    x = 145,193.73

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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.