Home / 263,613.44-395,417.10-105,839.12

Finding the Fourth Proportional to 263,613.44, 395,417.10 and 105,839.12

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Solution

The fourth proportional to 263,613.44, 395,417.10 and 105,839.12 is: 158,757.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,613.44 : 395,417.10 = 105,839.12 : x
  2. Step 2: Convert to fraction form
    263,613.44/395,417.10 = 105,839.12/x
  3. Step 3: Cross multiply
    263,613.44x = 395,417.10 × 105,839.12
  4. Step 4: Simplify right side
    263,613.44x = 41,850,597,896.95
  5. Step 5: Solve for x
    x = 41,850,597,896.95/263,613.44
  6. Step 6: Final answer
    x = 158,757.45

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1.5x scale

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.