Home / 159,479.43-239,367.38-80,650.23

Finding the Fourth Proportional to 159,479.43, 239,367.38 and 80,650.23

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Solution

The fourth proportional to 159,479.43, 239,367.38 and 80,650.23 is: 121,050.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,479.43 : 239,367.38 = 80,650.23 : x
  2. Step 2: Convert to fraction form
    159,479.43/239,367.38 = 80,650.23/x
  3. Step 3: Cross multiply
    159,479.43x = 239,367.38 × 80,650.23
  4. Step 4: Simplify right side
    159,479.43x = 19,305,033,848.25
  5. Step 5: Solve for x
    x = 19,305,033,848.25/159,479.43
  6. Step 6: Final answer
    x = 121,050.31

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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.