Home / 327,654.63-491,673.03-138,103.41

Finding the Fourth Proportional to 327,654.63, 491,673.03 and 138,103.41

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Solution

The fourth proportional to 327,654.63, 491,673.03 and 138,103.41 is: 207,235.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,654.63 : 491,673.03 = 138,103.41 : x
  2. Step 2: Convert to fraction form
    327,654.63/491,673.03 = 138,103.41/x
  3. Step 3: Cross multiply
    327,654.63x = 491,673.03 × 138,103.41
  4. Step 4: Simplify right side
    327,654.63x = 67,901,722,048.03
  5. Step 5: Solve for x
    x = 67,901,722,048.03/327,654.63
  6. Step 6: Final answer
    x = 207,235.66

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1.5x scale

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.