Home / 126,480.06-174,540.96-69,890.22

Finding the Fourth Proportional to 126,480.06, 174,540.96 and 69,890.22

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Solution

The fourth proportional to 126,480.06, 174,540.96 and 69,890.22 is: 96,447.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,480.06 : 174,540.96 = 69,890.22 : x
  2. Step 2: Convert to fraction form
    126,480.06/174,540.96 = 69,890.22/x
  3. Step 3: Cross multiply
    126,480.06x = 174,540.96 × 69,890.22
  4. Step 4: Simplify right side
    126,480.06x = 12,198,706,093.41
  5. Step 5: Solve for x
    x = 12,198,706,093.41/126,480.06
  6. Step 6: Final answer
    x = 96,447.66

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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.