Home / 129,800.27-194,584.68-69,860.95

Finding the Fourth Proportional to 129,800.27, 194,584.68 and 69,860.95

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Solution

The fourth proportional to 129,800.27, 194,584.68 and 69,860.95 is: 104,729.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,800.27 : 194,584.68 = 69,860.95 : x
  2. Step 2: Convert to fraction form
    129,800.27/194,584.68 = 69,860.95/x
  3. Step 3: Cross multiply
    129,800.27x = 194,584.68 × 69,860.95
  4. Step 4: Simplify right side
    129,800.27x = 13,593,870,113.78
  5. Step 5: Solve for x
    x = 13,593,870,113.78/129,800.27
  6. Step 6: Final answer
    x = 104,729.13

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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.