Home / 106,441.20-159,443.10-73,198.80

Finding the Fourth Proportional to 106,441.20, 159,443.10 and 73,198.80

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Solution

The fourth proportional to 106,441.20, 159,443.10 and 73,198.80 is: 109,647.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,441.20 : 159,443.10 = 73,198.80 : x
  2. Step 2: Convert to fraction form
    106,441.20/159,443.10 = 73,198.80/x
  3. Step 3: Cross multiply
    106,441.20x = 159,443.10 × 73,198.80
  4. Step 4: Simplify right side
    106,441.20x = 11,671,043,588.28
  5. Step 5: Solve for x
    x = 11,671,043,588.28/106,441.20
  6. Step 6: Final answer
    x = 109,647.80

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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.