Home / 263,486.85-395,284.91-105,727.61

Finding the Fourth Proportional to 263,486.85, 395,284.91 and 105,727.61

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Solution

The fourth proportional to 263,486.85, 395,284.91 and 105,727.61 is: 158,613.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,486.85 : 395,284.91 = 105,727.61 : x
  2. Step 2: Convert to fraction form
    263,486.85/395,284.91 = 105,727.61/x
  3. Step 3: Cross multiply
    263,486.85x = 395,284.91 × 105,727.61
  4. Step 4: Simplify right side
    263,486.85x = 41,792,526,298.30
  5. Step 5: Solve for x
    x = 41,792,526,298.30/263,486.85
  6. Step 6: Final answer
    x = 158,613.33

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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.