Home / 260,886.77-391,170.23-111,041.73

Finding the Fourth Proportional to 260,886.77, 391,170.23 and 111,041.73

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Solution

The fourth proportional to 260,886.77, 391,170.23 and 111,041.73 is: 166,494.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,886.77 : 391,170.23 = 111,041.73 : x
  2. Step 2: Convert to fraction form
    260,886.77/391,170.23 = 111,041.73/x
  3. Step 3: Cross multiply
    260,886.77x = 391,170.23 × 111,041.73
  4. Step 4: Simplify right side
    260,886.77x = 43,436,218,924.90
  5. Step 5: Solve for x
    x = 43,436,218,924.90/260,886.77
  6. Step 6: Final answer
    x = 166,494.53

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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.