Home / 140,694.75-194,163.66-77,033.07

Finding the Fourth Proportional to 140,694.75, 194,163.66 and 77,033.07

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Solution

The fourth proportional to 140,694.75, 194,163.66 and 77,033.07 is: 106,308.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,694.75 : 194,163.66 = 77,033.07 : x
  2. Step 2: Convert to fraction form
    140,694.75/194,163.66 = 77,033.07/x
  3. Step 3: Cross multiply
    140,694.75x = 194,163.66 × 77,033.07
  4. Step 4: Simplify right side
    140,694.75x = 14,957,022,812.24
  5. Step 5: Solve for x
    x = 14,957,022,812.24/140,694.75
  6. Step 6: Final answer
    x = 106,308.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.