Home / 129,186.09-193,757.27-35,692.11

Finding the Fourth Proportional to 129,186.09, 193,757.27 and 35,692.11

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Solution

The fourth proportional to 129,186.09, 193,757.27 and 35,692.11 is: 53,532.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,186.09 : 193,757.27 = 35,692.11 : x
  2. Step 2: Convert to fraction form
    129,186.09/193,757.27 = 35,692.11/x
  3. Step 3: Cross multiply
    129,186.09x = 193,757.27 × 35,692.11
  4. Step 4: Simplify right side
    129,186.09x = 6,915,605,615.68
  5. Step 5: Solve for x
    x = 6,915,605,615.68/129,186.09
  6. Step 6: Final answer
    x = 53,532.12

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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.