Home / 263,646.19-395,487.66-105,874.59

Finding the Fourth Proportional to 263,646.19, 395,487.66 and 105,874.59

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Solution

The fourth proportional to 263,646.19, 395,487.66 and 105,874.59 is: 158,819.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,646.19 : 395,487.66 = 105,874.59 : x
  2. Step 2: Convert to fraction form
    263,646.19/395,487.66 = 105,874.59/x
  3. Step 3: Cross multiply
    263,646.19x = 395,487.66 × 105,874.59
  4. Step 4: Simplify right side
    263,646.19x = 41,872,095,732.67
  5. Step 5: Solve for x
    x = 41,872,095,732.67/263,646.19
  6. Step 6: Final answer
    x = 158,819.27

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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.