Home / 113,408.20-170,177.10-43,337.80

Finding the Fourth Proportional to 113,408.20, 170,177.10 and 43,337.80

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Solution

The fourth proportional to 113,408.20, 170,177.10 and 43,337.80 is: 65,031.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,408.20 : 170,177.10 = 43,337.80 : x
  2. Step 2: Convert to fraction form
    113,408.20/170,177.10 = 43,337.80/x
  3. Step 3: Cross multiply
    113,408.20x = 170,177.10 × 43,337.80
  4. Step 4: Simplify right side
    113,408.20x = 7,375,101,124.38
  5. Step 5: Solve for x
    x = 7,375,101,124.38/113,408.20
  6. Step 6: Final answer
    x = 65,031.46

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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.