Home / 263,551.68-395,377.20-105,792.48

Finding the Fourth Proportional to 263,551.68, 395,377.20 and 105,792.48

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Solution

The fourth proportional to 263,551.68, 395,377.20 and 105,792.48 is: 158,708.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,551.68 : 395,377.20 = 105,792.48 : x
  2. Step 2: Convert to fraction form
    263,551.68/395,377.20 = 105,792.48/x
  3. Step 3: Cross multiply
    263,551.68x = 395,377.20 × 105,792.48
  4. Step 4: Simplify right side
    263,551.68x = 41,827,934,523.46
  5. Step 5: Solve for x
    x = 41,827,934,523.46/263,551.68
  6. Step 6: Final answer
    x = 158,708.66

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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.