Home / 102,826.68-154,177.74-67,245.04

Finding the Fourth Proportional to 102,826.68, 154,177.74 and 67,245.04

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Solution

The fourth proportional to 102,826.68, 154,177.74 and 67,245.04 is: 100,826.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,826.68 : 154,177.74 = 67,245.04 : x
  2. Step 2: Convert to fraction form
    102,826.68/154,177.74 = 67,245.04/x
  3. Step 3: Cross multiply
    102,826.68x = 154,177.74 × 67,245.04
  4. Step 4: Simplify right side
    102,826.68x = 10,367,688,293.41
  5. Step 5: Solve for x
    x = 10,367,688,293.41/102,826.68
  6. Step 6: Final answer
    x = 100,826.83

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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.