Home / 321,864.39-444,143.51-191,019.47

Finding the Fourth Proportional to 321,864.39, 444,143.51 and 191,019.47

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Solution

The fourth proportional to 321,864.39, 444,143.51 and 191,019.47 is: 263,589.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,864.39 : 444,143.51 = 191,019.47 : x
  2. Step 2: Convert to fraction form
    321,864.39/444,143.51 = 191,019.47/x
  3. Step 3: Cross multiply
    321,864.39x = 444,143.51 × 191,019.47
  4. Step 4: Simplify right side
    321,864.39x = 84,840,054,708.32
  5. Step 5: Solve for x
    x = 84,840,054,708.32/321,864.39
  6. Step 6: Final answer
    x = 263,589.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.