Home / 106,336.08-159,540.30-66,846.96

Finding the Fourth Proportional to 106,336.08, 159,540.30 and 66,846.96

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Solution

The fourth proportional to 106,336.08, 159,540.30 and 66,846.96 is: 100,293.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,336.08 : 159,540.30 = 66,846.96 : x
  2. Step 2: Convert to fraction form
    106,336.08/159,540.30 = 66,846.96/x
  3. Step 3: Cross multiply
    106,336.08x = 159,540.30 × 66,846.96
  4. Step 4: Simplify right side
    106,336.08x = 10,664,784,052.49
  5. Step 5: Solve for x
    x = 10,664,784,052.49/106,336.08
  6. Step 6: Final answer
    x = 100,293.18

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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.