Home / 268,833.68-403,249.50-100,396.41

Finding the Fourth Proportional to 268,833.68, 403,249.50 and 100,396.41

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Solution

The fourth proportional to 268,833.68, 403,249.50 and 100,396.41 is: 150,594.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,833.68 : 403,249.50 = 100,396.41 : x
  2. Step 2: Convert to fraction form
    268,833.68/403,249.50 = 100,396.41/x
  3. Step 3: Cross multiply
    268,833.68x = 403,249.50 × 100,396.41
  4. Step 4: Simplify right side
    268,833.68x = 40,484,803,031.57
  5. Step 5: Solve for x
    x = 40,484,803,031.57/268,833.68
  6. Step 6: Final answer
    x = 150,594.23

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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.