Home / 263,198.37-394,953.08-97,103.01

Finding the Fourth Proportional to 263,198.37, 394,953.08 and 97,103.01

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Solution

The fourth proportional to 263,198.37, 394,953.08 and 97,103.01 is: 145,711.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,198.37 : 394,953.08 = 97,103.01 : x
  2. Step 2: Convert to fraction form
    263,198.37/394,953.08 = 97,103.01/x
  3. Step 3: Cross multiply
    263,198.37x = 394,953.08 × 97,103.01
  4. Step 4: Simplify right side
    263,198.37x = 38,351,132,391.26
  5. Step 5: Solve for x
    x = 38,351,132,391.26/263,198.37
  6. Step 6: Final answer
    x = 145,711.89

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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.