Home / 126,121.96-174,080.10-75,850.60

Finding the Fourth Proportional to 126,121.96, 174,080.10 and 75,850.60

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Solution

The fourth proportional to 126,121.96, 174,080.10 and 75,850.60 is: 104,692.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,121.96 : 174,080.10 = 75,850.60 : x
  2. Step 2: Convert to fraction form
    126,121.96/174,080.10 = 75,850.60/x
  3. Step 3: Cross multiply
    126,121.96x = 174,080.10 × 75,850.60
  4. Step 4: Simplify right side
    126,121.96x = 13,204,080,033.06
  5. Step 5: Solve for x
    x = 13,204,080,033.06/126,121.96
  6. Step 6: Final answer
    x = 104,692.95

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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.