Home / 146,649.20-219,317.70-123,029.60

Finding the Fourth Proportional to 146,649.20, 219,317.70 and 123,029.60

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Solution

The fourth proportional to 146,649.20, 219,317.70 and 123,029.60 is: 183,993.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,649.20 : 219,317.70 = 123,029.60 : x
  2. Step 2: Convert to fraction form
    146,649.20/219,317.70 = 123,029.60/x
  3. Step 3: Cross multiply
    146,649.20x = 219,317.70 × 123,029.60
  4. Step 4: Simplify right side
    146,649.20x = 26,982,568,903.92
  5. Step 5: Solve for x
    x = 26,982,568,903.92/146,649.20
  6. Step 6: Final answer
    x = 183,993.97

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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.