Home / 263,614.84-395,433.19-76,626.34

Finding the Fourth Proportional to 263,614.84, 395,433.19 and 76,626.34

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Solution

The fourth proportional to 263,614.84, 395,433.19 and 76,626.34 is: 114,942.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,614.84 : 395,433.19 = 76,626.34 : x
  2. Step 2: Convert to fraction form
    263,614.84/395,433.19 = 76,626.34/x
  3. Step 3: Cross multiply
    263,614.84x = 395,433.19 × 76,626.34
  4. Step 4: Simplify right side
    263,614.84x = 30,300,596,087.06
  5. Step 5: Solve for x
    x = 30,300,596,087.06/263,614.84
  6. Step 6: Final answer
    x = 114,942.68

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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.