Home / 263,210.14-394,815.21-76,221.64

Finding the Fourth Proportional to 263,210.14, 394,815.21 and 76,221.64

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Solution

The fourth proportional to 263,210.14, 394,815.21 and 76,221.64 is: 114,332.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,210.14 : 394,815.21 = 76,221.64 : x
  2. Step 2: Convert to fraction form
    263,210.14/394,815.21 = 76,221.64/x
  3. Step 3: Cross multiply
    263,210.14x = 394,815.21 × 76,221.64
  4. Step 4: Simplify right side
    263,210.14x = 30,093,462,803.14
  5. Step 5: Solve for x
    x = 30,093,462,803.14/263,210.14
  6. Step 6: Final answer
    x = 114,332.46

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Similar ratio
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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.