Home / 126,106.97-174,028.79-69,520.37

Finding the Fourth Proportional to 126,106.97, 174,028.79 and 69,520.37

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Solution

The fourth proportional to 126,106.97, 174,028.79 and 69,520.37 is: 95,938.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,106.97 : 174,028.79 = 69,520.37 : x
  2. Step 2: Convert to fraction form
    126,106.97/174,028.79 = 69,520.37/x
  3. Step 3: Cross multiply
    126,106.97x = 174,028.79 × 69,520.37
  4. Step 4: Simplify right side
    126,106.97x = 12,098,545,523.85
  5. Step 5: Solve for x
    x = 12,098,545,523.85/126,106.97
  6. Step 6: Final answer
    x = 95,938.75

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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.