Home / 270,932.40-406,661.04-130,789.44

Finding the Fourth Proportional to 270,932.40, 406,661.04 and 130,789.44

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Solution

The fourth proportional to 270,932.40, 406,661.04 and 130,789.44 is: 196,310.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,932.40 : 406,661.04 = 130,789.44 : x
  2. Step 2: Convert to fraction form
    270,932.40/406,661.04 = 130,789.44/x
  3. Step 3: Cross multiply
    270,932.40x = 406,661.04 × 130,789.44
  4. Step 4: Simplify right side
    270,932.40x = 53,186,969,691.42
  5. Step 5: Solve for x
    x = 53,186,969,691.42/270,932.40
  6. Step 6: Final answer
    x = 196,310.85

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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.