Home / 263,157.11-394,584.57-103,045.58

Finding the Fourth Proportional to 263,157.11, 394,584.57 and 103,045.58

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Solution

The fourth proportional to 263,157.11, 394,584.57 and 103,045.58 is: 154,509.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,157.11 : 394,584.57 = 103,045.58 : x
  2. Step 2: Convert to fraction form
    263,157.11/394,584.57 = 103,045.58/x
  3. Step 3: Cross multiply
    263,157.11x = 394,584.57 × 103,045.58
  4. Step 4: Simplify right side
    263,157.11x = 40,660,195,874.70
  5. Step 5: Solve for x
    x = 40,660,195,874.70/263,157.11
  6. Step 6: Final answer
    x = 154,509.21

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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.