Home / 150,917.20-208,193.96-108,500.33

Finding the Fourth Proportional to 150,917.20, 208,193.96 and 108,500.33

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Solution

The fourth proportional to 150,917.20, 208,193.96 and 108,500.33 is: 149,678.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,917.20 : 208,193.96 = 108,500.33 : x
  2. Step 2: Convert to fraction form
    150,917.20/208,193.96 = 108,500.33/x
  3. Step 3: Cross multiply
    150,917.20x = 208,193.96 × 108,500.33
  4. Step 4: Simplify right side
    150,917.20x = 22,589,114,155.74
  5. Step 5: Solve for x
    x = 22,589,114,155.74/150,917.20
  6. Step 6: Final answer
    x = 149,678.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.