Home / 263,543.43-395,388.96-105,882.60

Finding the Fourth Proportional to 263,543.43, 395,388.96 and 105,882.60

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Solution

The fourth proportional to 263,543.43, 395,388.96 and 105,882.60 is: 158,853.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,543.43 : 395,388.96 = 105,882.60 : x
  2. Step 2: Convert to fraction form
    263,543.43/395,388.96 = 105,882.60/x
  3. Step 3: Cross multiply
    263,543.43x = 395,388.96 × 105,882.60
  4. Step 4: Simplify right side
    263,543.43x = 41,864,811,096.10
  5. Step 5: Solve for x
    x = 41,864,811,096.10/263,543.43
  6. Step 6: Final answer
    x = 158,853.56

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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.