Home / 300,208.05-450,273.20-113,195.25

Finding the Fourth Proportional to 300,208.05, 450,273.20 and 113,195.25

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Solution

The fourth proportional to 300,208.05, 450,273.20 and 113,195.25 is: 169,778.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,208.05 : 450,273.20 = 113,195.25 : x
  2. Step 2: Convert to fraction form
    300,208.05/450,273.20 = 113,195.25/x
  3. Step 3: Cross multiply
    300,208.05x = 450,273.20 × 113,195.25
  4. Step 4: Simplify right side
    300,208.05x = 50,968,786,876.32
  5. Step 5: Solve for x
    x = 50,968,786,876.32/300,208.05
  6. Step 6: Final answer
    x = 169,778.22

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1.5x scale

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.