Home / 394,194.24-591,226.56-113,636.16

Finding the Fourth Proportional to 394,194.24, 591,226.56 and 113,636.16

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Solution

The fourth proportional to 394,194.24, 591,226.56 and 113,636.16 is: 170,435.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,194.24 : 591,226.56 = 113,636.16 : x
  2. Step 2: Convert to fraction form
    394,194.24/591,226.56 = 113,636.16/x
  3. Step 3: Cross multiply
    394,194.24x = 591,226.56 × 113,636.16
  4. Step 4: Simplify right side
    394,194.24x = 67,184,715,968.41
  5. Step 5: Solve for x
    x = 67,184,715,968.41/394,194.24
  6. Step 6: Final answer
    x = 170,435.56

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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.