Home / 129,517.13-194,266.77-79,604.93

Finding the Fourth Proportional to 129,517.13, 194,266.77 and 79,604.93

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Solution

The fourth proportional to 129,517.13, 194,266.77 and 79,604.93 is: 119,401.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,517.13 : 194,266.77 = 79,604.93 : x
  2. Step 2: Convert to fraction form
    129,517.13/194,266.77 = 79,604.93/x
  3. Step 3: Cross multiply
    129,517.13x = 194,266.77 × 79,604.93
  4. Step 4: Simplify right side
    129,517.13x = 15,464,591,655.84
  5. Step 5: Solve for x
    x = 15,464,591,655.84/129,517.13
  6. Step 6: Final answer
    x = 119,401.91

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1.5x scale

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.