Home / 99,629.20-149,616.60-96,518.80

Finding the Fourth Proportional to 99,629.20, 149,616.60 and 96,518.80

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Solution

The fourth proportional to 99,629.20, 149,616.60 and 96,518.80 is: 144,945.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,629.20 : 149,616.60 = 96,518.80 : x
  2. Step 2: Convert to fraction form
    99,629.20/149,616.60 = 96,518.80/x
  3. Step 3: Cross multiply
    99,629.20x = 149,616.60 × 96,518.80
  4. Step 4: Simplify right side
    99,629.20x = 14,440,814,692.08
  5. Step 5: Solve for x
    x = 14,440,814,692.08/99,629.20
  6. Step 6: Final answer
    x = 144,945.61

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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.