Home / 102,825.68-154,176.24-67,244.04

Finding the Fourth Proportional to 102,825.68, 154,176.24 and 67,244.04

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Solution

The fourth proportional to 102,825.68, 154,176.24 and 67,244.04 is: 100,825.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,825.68 : 154,176.24 = 67,244.04 : x
  2. Step 2: Convert to fraction form
    102,825.68/154,176.24 = 67,244.04/x
  3. Step 3: Cross multiply
    102,825.68x = 154,176.24 × 67,244.04
  4. Step 4: Simplify right side
    102,825.68x = 10,367,433,249.61
  5. Step 5: Solve for x
    x = 10,367,433,249.61/102,825.68
  6. Step 6: Final answer
    x = 100,825.33

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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.