Home / 260,939.29-391,074.39-227,064.49

Finding the Fourth Proportional to 260,939.29, 391,074.39 and 227,064.49

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Solution

The fourth proportional to 260,939.29, 391,074.39 and 227,064.49 is: 340,305.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,939.29 : 391,074.39 = 227,064.49 : x
  2. Step 2: Convert to fraction form
    260,939.29/391,074.39 = 227,064.49/x
  3. Step 3: Cross multiply
    260,939.29x = 391,074.39 × 227,064.49
  4. Step 4: Simplify right side
    260,939.29x = 88,799,106,917.41
  5. Step 5: Solve for x
    x = 88,799,106,917.41/260,939.29
  6. Step 6: Final answer
    x = 340,305.62

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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.