Home / 444,111.61-666,161.21-107,149.43

Finding the Fourth Proportional to 444,111.61, 666,161.21 and 107,149.43

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Solution

The fourth proportional to 444,111.61, 666,161.21 and 107,149.43 is: 160,722.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,111.61 : 666,161.21 = 107,149.43 : x
  2. Step 2: Convert to fraction form
    444,111.61/666,161.21 = 107,149.43/x
  3. Step 3: Cross multiply
    444,111.61x = 666,161.21 × 107,149.43
  4. Step 4: Simplify right side
    444,111.61x = 71,378,793,939.61
  5. Step 5: Solve for x
    x = 71,378,793,939.61/444,111.61
  6. Step 6: Final answer
    x = 160,722.65

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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.