Home / 204,747.77-307,165.40-71,632.37

Finding the Fourth Proportional to 204,747.77, 307,165.40 and 71,632.37

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Solution

The fourth proportional to 204,747.77, 307,165.40 and 71,632.37 is: 107,463.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,747.77 : 307,165.40 = 71,632.37 : x
  2. Step 2: Convert to fraction form
    204,747.77/307,165.40 = 71,632.37/x
  3. Step 3: Cross multiply
    204,747.77x = 307,165.40 × 71,632.37
  4. Step 4: Simplify right side
    204,747.77x = 22,002,985,584.00
  5. Step 5: Solve for x
    x = 22,002,985,584.00/204,747.77
  6. Step 6: Final answer
    x = 107,463.86

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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.