Home / 123,794.37-170,836.20-67,205.75

Finding the Fourth Proportional to 123,794.37, 170,836.20 and 67,205.75

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Solution

The fourth proportional to 123,794.37, 170,836.20 and 67,205.75 is: 92,743.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,794.37 : 170,836.20 = 67,205.75 : x
  2. Step 2: Convert to fraction form
    123,794.37/170,836.20 = 67,205.75/x
  3. Step 3: Cross multiply
    123,794.37x = 170,836.20 × 67,205.75
  4. Step 4: Simplify right side
    123,794.37x = 11,481,174,093.97
  5. Step 5: Solve for x
    x = 11,481,174,093.97/123,794.37
  6. Step 6: Final answer
    x = 92,743.91

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1.5x scale

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.