Home / 159,537.60-220,240.62-108,813.78

Finding the Fourth Proportional to 159,537.60, 220,240.62 and 108,813.78

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Solution

The fourth proportional to 159,537.60, 220,240.62 and 108,813.78 is: 150,216.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,537.60 : 220,240.62 = 108,813.78 : x
  2. Step 2: Convert to fraction form
    159,537.60/220,240.62 = 108,813.78/x
  3. Step 3: Cross multiply
    159,537.60x = 220,240.62 × 108,813.78
  4. Step 4: Simplify right side
    159,537.60x = 23,965,214,371.74
  5. Step 5: Solve for x
    x = 23,965,214,371.74/159,537.60
  6. Step 6: Final answer
    x = 150,216.72

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1.5x scale

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.