Home / 264,816.20-396,705.90-159,321.80

Finding the Fourth Proportional to 264,816.20, 396,705.90 and 159,321.80

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Solution

The fourth proportional to 264,816.20, 396,705.90 and 159,321.80 is: 238,670.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,816.20 : 396,705.90 = 159,321.80 : x
  2. Step 2: Convert to fraction form
    264,816.20/396,705.90 = 159,321.80/x
  3. Step 3: Cross multiply
    264,816.20x = 396,705.90 × 159,321.80
  4. Step 4: Simplify right side
    264,816.20x = 63,203,898,058.62
  5. Step 5: Solve for x
    x = 63,203,898,058.62/264,816.20
  6. Step 6: Final answer
    x = 238,670.81

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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.