Home / 263,634.14-395,518.62-76,645.64

Finding the Fourth Proportional to 263,634.14, 395,518.62 and 76,645.64

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Solution

The fourth proportional to 263,634.14, 395,518.62 and 76,645.64 is: 114,988.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,634.14 : 395,518.62 = 76,645.64 : x
  2. Step 2: Convert to fraction form
    263,634.14/395,518.62 = 76,645.64/x
  3. Step 3: Cross multiply
    263,634.14x = 395,518.62 × 76,645.64
  4. Step 4: Simplify right side
    263,634.14x = 30,314,777,761.82
  5. Step 5: Solve for x
    x = 30,314,777,761.82/263,634.14
  6. Step 6: Final answer
    x = 114,988.06

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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.