Home / 300,826.08-451,245.60-101,152.80

Finding the Fourth Proportional to 300,826.08, 451,245.60 and 101,152.80

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Solution

The fourth proportional to 300,826.08, 451,245.60 and 101,152.80 is: 151,731.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,826.08 : 451,245.60 = 101,152.80 : x
  2. Step 2: Convert to fraction form
    300,826.08/451,245.60 = 101,152.80/x
  3. Step 3: Cross multiply
    300,826.08x = 451,245.60 × 101,152.80
  4. Step 4: Simplify right side
    300,826.08x = 45,644,755,927.68
  5. Step 5: Solve for x
    x = 45,644,755,927.68/300,826.08
  6. Step 6: Final answer
    x = 151,731.38

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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.