Home / 143,022.54-214,450.73-54,227.61

Finding the Fourth Proportional to 143,022.54, 214,450.73 and 54,227.61

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Solution

The fourth proportional to 143,022.54, 214,450.73 and 54,227.61 is: 81,309.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,022.54 : 214,450.73 = 54,227.61 : x
  2. Step 2: Convert to fraction form
    143,022.54/214,450.73 = 54,227.61/x
  3. Step 3: Cross multiply
    143,022.54x = 214,450.73 × 54,227.61
  4. Step 4: Simplify right side
    143,022.54x = 11,629,150,550.66
  5. Step 5: Solve for x
    x = 11,629,150,550.66/143,022.54
  6. Step 6: Final answer
    x = 81,309.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.