Home / 327,960.13-491,830.16-125,509.03

Finding the Fourth Proportional to 327,960.13, 491,830.16 and 125,509.03

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Solution

The fourth proportional to 327,960.13, 491,830.16 and 125,509.03 is: 188,221.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,960.13 : 491,830.16 = 125,509.03 : x
  2. Step 2: Convert to fraction form
    327,960.13/491,830.16 = 125,509.03/x
  3. Step 3: Cross multiply
    327,960.13x = 491,830.16 × 125,509.03
  4. Step 4: Simplify right side
    327,960.13x = 61,729,123,853.01
  5. Step 5: Solve for x
    x = 61,729,123,853.01/327,960.13
  6. Step 6: Final answer
    x = 188,221.43

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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.