Home / 263,257.72-394,111.56-163,095.86

Finding the Fourth Proportional to 263,257.72, 394,111.56 and 163,095.86

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Solution

The fourth proportional to 263,257.72, 394,111.56 and 163,095.86 is: 244,163.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,257.72 : 394,111.56 = 163,095.86 : x
  2. Step 2: Convert to fraction form
    263,257.72/394,111.56 = 163,095.86/x
  3. Step 3: Cross multiply
    263,257.72x = 394,111.56 × 163,095.86
  4. Step 4: Simplify right side
    263,257.72x = 64,277,963,814.14
  5. Step 5: Solve for x
    x = 64,277,963,814.14/263,257.72
  6. Step 6: Final answer
    x = 244,163.64

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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.