Home / 106,115.32-159,026.82-53,559.64

Finding the Fourth Proportional to 106,115.32, 159,026.82 and 53,559.64

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Solution

The fourth proportional to 106,115.32, 159,026.82 and 53,559.64 is: 80,265.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,115.32 : 159,026.82 = 53,559.64 : x
  2. Step 2: Convert to fraction form
    106,115.32/159,026.82 = 53,559.64/x
  3. Step 3: Cross multiply
    106,115.32x = 159,026.82 × 53,559.64
  4. Step 4: Simplify right side
    106,115.32x = 8,517,419,229.54
  5. Step 5: Solve for x
    x = 8,517,419,229.54/106,115.32
  6. Step 6: Final answer
    x = 80,265.69

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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.