Home / 159,738.68-239,481.77-79,735.59

Finding the Fourth Proportional to 159,738.68, 239,481.77 and 79,735.59

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Solution

The fourth proportional to 159,738.68, 239,481.77 and 79,735.59 is: 119,540.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,738.68 : 239,481.77 = 79,735.59 : x
  2. Step 2: Convert to fraction form
    159,738.68/239,481.77 = 79,735.59/x
  3. Step 3: Cross multiply
    159,738.68x = 239,481.77 × 79,735.59
  4. Step 4: Simplify right side
    159,738.68x = 19,095,219,826.52
  5. Step 5: Solve for x
    x = 19,095,219,826.52/159,738.68
  6. Step 6: Final answer
    x = 119,540.36

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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.