Home / 221,726.03-305,982.22-126,232.73

Finding the Fourth Proportional to 221,726.03, 305,982.22 and 126,232.73

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Solution

The fourth proportional to 221,726.03, 305,982.22 and 126,232.73 is: 174,201.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,726.03 : 305,982.22 = 126,232.73 : x
  2. Step 2: Convert to fraction form
    221,726.03/305,982.22 = 126,232.73/x
  3. Step 3: Cross multiply
    221,726.03x = 305,982.22 × 126,232.73
  4. Step 4: Simplify right side
    221,726.03x = 38,624,969,116.57
  5. Step 5: Solve for x
    x = 38,624,969,116.57/221,726.03
  6. Step 6: Final answer
    x = 174,201.33

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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.