Home / 143,910.45-215,846.24-38,735.73

Finding the Fourth Proportional to 143,910.45, 215,846.24 and 38,735.73

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Solution

The fourth proportional to 143,910.45, 215,846.24 and 38,735.73 is: 58,098.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,910.45 : 215,846.24 = 38,735.73 : x
  2. Step 2: Convert to fraction form
    143,910.45/215,846.24 = 38,735.73/x
  3. Step 3: Cross multiply
    143,910.45x = 215,846.24 × 38,735.73
  4. Step 4: Simplify right side
    143,910.45x = 8,360,961,480.48
  5. Step 5: Solve for x
    x = 8,360,961,480.48/143,910.45
  6. Step 6: Final answer
    x = 58,098.36

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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.