Home / 263,042.61-394,622.33-122,724.69

Finding the Fourth Proportional to 263,042.61, 394,622.33 and 122,724.69

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Solution

The fourth proportional to 263,042.61, 394,622.33 and 122,724.69 is: 184,114.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,042.61 : 394,622.33 = 122,724.69 : x
  2. Step 2: Convert to fraction form
    263,042.61/394,622.33 = 122,724.69/x
  3. Step 3: Cross multiply
    263,042.61x = 394,622.33 × 122,724.69
  4. Step 4: Simplify right side
    263,042.61x = 48,429,902,502.70
  5. Step 5: Solve for x
    x = 48,429,902,502.70/263,042.61
  6. Step 6: Final answer
    x = 184,114.29

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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.