Home / 204,745.27-307,161.64-71,629.87

Finding the Fourth Proportional to 204,745.27, 307,161.64 and 71,629.87

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Solution

The fourth proportional to 204,745.27, 307,161.64 and 71,629.87 is: 107,460.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,745.27 : 307,161.64 = 71,629.87 : x
  2. Step 2: Convert to fraction form
    204,745.27/307,161.64 = 71,629.87/x
  3. Step 3: Cross multiply
    204,745.27x = 307,161.64 × 71,629.87
  4. Step 4: Simplify right side
    204,745.27x = 22,001,948,441.21
  5. Step 5: Solve for x
    x = 22,001,948,441.21/204,745.27
  6. Step 6: Final answer
    x = 107,460.11

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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.