Home / 263,119.45-394,704.12-73,579.81

Finding the Fourth Proportional to 263,119.45, 394,704.12 and 73,579.81

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Solution

The fourth proportional to 263,119.45, 394,704.12 and 73,579.81 is: 110,376.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,119.45 : 394,704.12 = 73,579.81 : x
  2. Step 2: Convert to fraction form
    263,119.45/394,704.12 = 73,579.81/x
  3. Step 3: Cross multiply
    263,119.45x = 394,704.12 × 73,579.81
  4. Step 4: Simplify right side
    263,119.45x = 29,042,254,155.82
  5. Step 5: Solve for x
    x = 29,042,254,155.82/263,119.45
  6. Step 6: Final answer
    x = 110,376.69

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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.