Home / 129,163.16-193,748.38-35,668.92

Finding the Fourth Proportional to 129,163.16, 193,748.38 and 35,668.92

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Solution

The fourth proportional to 129,163.16, 193,748.38 and 35,668.92 is: 53,504.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,163.16 : 193,748.38 = 35,668.92 : x
  2. Step 2: Convert to fraction form
    129,163.16/193,748.38 = 35,668.92/x
  3. Step 3: Cross multiply
    129,163.16x = 193,748.38 × 35,668.92
  4. Step 4: Simplify right side
    129,163.16x = 6,910,795,466.35
  5. Step 5: Solve for x
    x = 6,910,795,466.35/129,163.16
  6. Step 6: Final answer
    x = 53,504.39

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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.