Home / 262,909.35-394,195.56-111,065.16

Finding the Fourth Proportional to 262,909.35, 394,195.56 and 111,065.16

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Solution

The fourth proportional to 262,909.35, 394,195.56 and 111,065.16 is: 166,526.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,909.35 : 394,195.56 = 111,065.16 : x
  2. Step 2: Convert to fraction form
    262,909.35/394,195.56 = 111,065.16/x
  3. Step 3: Cross multiply
    262,909.35x = 394,195.56 × 111,065.16
  4. Step 4: Simplify right side
    262,909.35x = 43,781,392,942.69
  5. Step 5: Solve for x
    x = 43,781,392,942.69/262,909.35
  6. Step 6: Final answer
    x = 166,526.57

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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.