Home / 221,727.03-305,983.60-126,233.73

Finding the Fourth Proportional to 221,727.03, 305,983.60 and 126,233.73

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Solution

The fourth proportional to 221,727.03, 305,983.60 and 126,233.73 is: 174,202.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,727.03 : 305,983.60 = 126,233.73 : x
  2. Step 2: Convert to fraction form
    221,727.03/305,983.60 = 126,233.73/x
  3. Step 3: Cross multiply
    221,727.03x = 305,983.60 × 126,233.73
  4. Step 4: Simplify right side
    221,727.03x = 38,625,451,146.83
  5. Step 5: Solve for x
    x = 38,625,451,146.83/221,727.03
  6. Step 6: Final answer
    x = 174,202.72

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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.