Home / 263,193.07-394,940.09-111,378.19

Finding the Fourth Proportional to 263,193.07, 394,940.09 and 111,378.19

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Solution

The fourth proportional to 263,193.07, 394,940.09 and 111,378.19 is: 167,130.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,193.07 : 394,940.09 = 111,378.19 : x
  2. Step 2: Convert to fraction form
    263,193.07/394,940.09 = 111,378.19/x
  3. Step 3: Cross multiply
    263,193.07x = 394,940.09 × 111,378.19
  4. Step 4: Simplify right side
    263,193.07x = 43,987,712,382.64
  5. Step 5: Solve for x
    x = 43,987,712,382.64/263,193.07
  6. Step 6: Final answer
    x = 167,130.97

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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.