Home / 551,198.12-826,721.84-151,781.45

Finding the Fourth Proportional to 551,198.12, 826,721.84 and 151,781.45

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Solution

The fourth proportional to 551,198.12, 826,721.84 and 151,781.45 is: 227,651.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,198.12 : 826,721.84 = 151,781.45 : x
  2. Step 2: Convert to fraction form
    551,198.12/826,721.84 = 151,781.45/x
  3. Step 3: Cross multiply
    551,198.12x = 826,721.84 × 151,781.45
  4. Step 4: Simplify right side
    551,198.12x = 125,481,035,867.71
  5. Step 5: Solve for x
    x = 125,481,035,867.71/551,198.12
  6. Step 6: Final answer
    x = 227,651.42

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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.