Home / 246,789.27-370,198.53-78,306.48

Finding the Fourth Proportional to 246,789.27, 370,198.53 and 78,306.48

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Solution

The fourth proportional to 246,789.27, 370,198.53 and 78,306.48 is: 117,464.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,789.27 : 370,198.53 = 78,306.48 : x
  2. Step 2: Convert to fraction form
    246,789.27/370,198.53 = 78,306.48/x
  3. Step 3: Cross multiply
    246,789.27x = 370,198.53 × 78,306.48
  4. Step 4: Simplify right side
    246,789.27x = 28,988,943,785.47
  5. Step 5: Solve for x
    x = 28,988,943,785.47/246,789.27
  6. Step 6: Final answer
    x = 117,464.36

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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.