Home / 262,791.12-394,188.84-113,021.04

Finding the Fourth Proportional to 262,791.12, 394,188.84 and 113,021.04

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Solution

The fourth proportional to 262,791.12, 394,188.84 and 113,021.04 is: 169,532.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,791.12 : 394,188.84 = 113,021.04 : x
  2. Step 2: Convert to fraction form
    262,791.12/394,188.84 = 113,021.04/x
  3. Step 3: Cross multiply
    262,791.12x = 394,188.84 × 113,021.04
  4. Step 4: Simplify right side
    262,791.12x = 44,551,632,653.19
  5. Step 5: Solve for x
    x = 44,551,632,653.19/262,791.12
  6. Step 6: Final answer
    x = 169,532.49

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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.