Home / 263,192.07-394,938.59-111,377.19

Finding the Fourth Proportional to 263,192.07, 394,938.59 and 111,377.19

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Solution

The fourth proportional to 263,192.07, 394,938.59 and 111,377.19 is: 167,129.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,192.07 : 394,938.59 = 111,377.19 : x
  2. Step 2: Convert to fraction form
    263,192.07/394,938.59 = 111,377.19/x
  3. Step 3: Cross multiply
    263,192.07x = 394,938.59 × 111,377.19
  4. Step 4: Simplify right side
    263,192.07x = 43,987,149,819.88
  5. Step 5: Solve for x
    x = 43,987,149,819.88/263,192.07
  6. Step 6: Final answer
    x = 167,129.46

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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.