Home / 491,249.21-736,873.82-136,263.23

Finding the Fourth Proportional to 491,249.21, 736,873.82 and 136,263.23

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Solution

The fourth proportional to 491,249.21, 736,873.82 and 136,263.23 is: 204,394.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,249.21 : 736,873.82 = 136,263.23 : x
  2. Step 2: Convert to fraction form
    491,249.21/736,873.82 = 136,263.23/x
  3. Step 3: Cross multiply
    491,249.21x = 736,873.82 × 136,263.23
  4. Step 4: Simplify right side
    491,249.21x = 100,408,806,815.64
  5. Step 5: Solve for x
    x = 100,408,806,815.64/491,249.21
  6. Step 6: Final answer
    x = 204,394.85

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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.