Home / 115,408.40-173,161.20-62,855.60

Finding the Fourth Proportional to 115,408.40, 173,161.20 and 62,855.60

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Solution

The fourth proportional to 115,408.40, 173,161.20 and 62,855.60 is: 94,309.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,408.40 : 173,161.20 = 62,855.60 : x
  2. Step 2: Convert to fraction form
    115,408.40/173,161.20 = 62,855.60/x
  3. Step 3: Cross multiply
    115,408.40x = 173,161.20 × 62,855.60
  4. Step 4: Simplify right side
    115,408.40x = 10,884,151,122.72
  5. Step 5: Solve for x
    x = 10,884,151,122.72/115,408.40
  6. Step 6: Final answer
    x = 94,309.87

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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.