Home / 106,190.12-159,383.78-53,636.56

Finding the Fourth Proportional to 106,190.12, 159,383.78 and 53,636.56

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Solution

The fourth proportional to 106,190.12, 159,383.78 and 53,636.56 is: 80,504.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,190.12 : 159,383.78 = 53,636.56 : x
  2. Step 2: Convert to fraction form
    106,190.12/159,383.78 = 53,636.56/x
  3. Step 3: Cross multiply
    106,190.12x = 159,383.78 × 53,636.56
  4. Step 4: Simplify right side
    106,190.12x = 8,548,797,679.00
  5. Step 5: Solve for x
    x = 8,548,797,679.00/106,190.12
  6. Step 6: Final answer
    x = 80,504.64

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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.