Home / 263,078.20-394,098.90-157,583.80

Finding the Fourth Proportional to 263,078.20, 394,098.90 and 157,583.80

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Solution

The fourth proportional to 263,078.20, 394,098.90 and 157,583.80 is: 236,065.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,078.20 : 394,098.90 = 157,583.80 : x
  2. Step 2: Convert to fraction form
    263,078.20/394,098.90 = 157,583.80/x
  3. Step 3: Cross multiply
    263,078.20x = 394,098.90 × 157,583.80
  4. Step 4: Simplify right side
    263,078.20x = 62,103,602,237.82
  5. Step 5: Solve for x
    x = 62,103,602,237.82/263,078.20
  6. Step 6: Final answer
    x = 236,065.18

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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.