Home / 171,744.36-257,648.22-53,408.04

Finding the Fourth Proportional to 171,744.36, 257,648.22 and 53,408.04

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Solution

The fourth proportional to 171,744.36, 257,648.22 and 53,408.04 is: 80,121.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,744.36 : 257,648.22 = 53,408.04 : x
  2. Step 2: Convert to fraction form
    171,744.36/257,648.22 = 53,408.04/x
  3. Step 3: Cross multiply
    171,744.36x = 257,648.22 × 53,408.04
  4. Step 4: Simplify right side
    171,744.36x = 13,760,486,439.69
  5. Step 5: Solve for x
    x = 13,760,486,439.69/171,744.36
  6. Step 6: Final answer
    x = 80,121.91

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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.