Home / 263,020.10-394,530.15-96,872.90

Finding the Fourth Proportional to 263,020.10, 394,530.15 and 96,872.90

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Solution

The fourth proportional to 263,020.10, 394,530.15 and 96,872.90 is: 145,309.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,020.10 : 394,530.15 = 96,872.90 : x
  2. Step 2: Convert to fraction form
    263,020.10/394,530.15 = 96,872.90/x
  3. Step 3: Cross multiply
    263,020.10x = 394,530.15 × 96,872.90
  4. Step 4: Simplify right side
    263,020.10x = 38,219,279,767.94
  5. Step 5: Solve for x
    x = 38,219,279,767.94/263,020.10
  6. Step 6: Final answer
    x = 145,309.35

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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.