Home / 263,282.16-394,104.24-143,038.44

Finding the Fourth Proportional to 263,282.16, 394,104.24 and 143,038.44

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Solution

The fourth proportional to 263,282.16, 394,104.24 and 143,038.44 is: 214,112.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,282.16 : 394,104.24 = 143,038.44 : x
  2. Step 2: Convert to fraction form
    263,282.16/394,104.24 = 143,038.44/x
  3. Step 3: Cross multiply
    263,282.16x = 394,104.24 × 143,038.44
  4. Step 4: Simplify right side
    263,282.16x = 56,372,055,686.99
  5. Step 5: Solve for x
    x = 56,372,055,686.99/263,282.16
  6. Step 6: Final answer
    x = 214,112.71

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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.