Home / 541,285.26-811,705.92-162,072.42

Finding the Fourth Proportional to 541,285.26, 811,705.92 and 162,072.42

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Solution

The fourth proportional to 541,285.26, 811,705.92 and 162,072.42 is: 243,042.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,285.26 : 811,705.92 = 162,072.42 : x
  2. Step 2: Convert to fraction form
    541,285.26/811,705.92 = 162,072.42/x
  3. Step 3: Cross multiply
    541,285.26x = 811,705.92 × 162,072.42
  4. Step 4: Simplify right side
    541,285.26x = 131,555,142,782.73
  5. Step 5: Solve for x
    x = 131,555,142,782.73/541,285.26
  6. Step 6: Final answer
    x = 243,042.17

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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.