Home / 126,144.22-174,078.84-69,555.73

Finding the Fourth Proportional to 126,144.22, 174,078.84 and 69,555.73

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Solution

The fourth proportional to 126,144.22, 174,078.84 and 69,555.73 is: 95,986.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,144.22 : 174,078.84 = 69,555.73 : x
  2. Step 2: Convert to fraction form
    126,144.22/174,078.84 = 69,555.73/x
  3. Step 3: Cross multiply
    126,144.22x = 174,078.84 × 69,555.73
  4. Step 4: Simplify right side
    126,144.22x = 12,108,180,793.75
  5. Step 5: Solve for x
    x = 12,108,180,793.75/126,144.22
  6. Step 6: Final answer
    x = 95,986.81

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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.