Home / 106,633.09-159,949.18-43,439.12

Finding the Fourth Proportional to 106,633.09, 159,949.18 and 43,439.12

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Solution

The fourth proportional to 106,633.09, 159,949.18 and 43,439.12 is: 65,158.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,633.09 : 159,949.18 = 43,439.12 : x
  2. Step 2: Convert to fraction form
    106,633.09/159,949.18 = 43,439.12/x
  3. Step 3: Cross multiply
    106,633.09x = 159,949.18 × 43,439.12
  4. Step 4: Simplify right side
    106,633.09x = 6,948,051,406.73
  5. Step 5: Solve for x
    x = 6,948,051,406.73/106,633.09
  6. Step 6: Final answer
    x = 65,158.49

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Similar ratio
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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.