Home / 263,276.90-395,007.51-76,299.62

Finding the Fourth Proportional to 263,276.90, 395,007.51 and 76,299.62

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Solution

The fourth proportional to 263,276.90, 395,007.51 and 76,299.62 is: 114,476.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,276.90 : 395,007.51 = 76,299.62 : x
  2. Step 2: Convert to fraction form
    263,276.90/395,007.51 = 76,299.62/x
  3. Step 3: Cross multiply
    263,276.90x = 395,007.51 × 76,299.62
  4. Step 4: Simplify right side
    263,276.90x = 30,138,922,910.15
  5. Step 5: Solve for x
    x = 30,138,922,910.15/263,276.90
  6. Step 6: Final answer
    x = 114,476.14

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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.