Home / 144,399.44-199,270.68-80,737.04

Finding the Fourth Proportional to 144,399.44, 199,270.68 and 80,737.04

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Solution

The fourth proportional to 144,399.44, 199,270.68 and 80,737.04 is: 111,416.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,399.44 : 199,270.68 = 80,737.04 : x
  2. Step 2: Convert to fraction form
    144,399.44/199,270.68 = 80,737.04/x
  3. Step 3: Cross multiply
    144,399.44x = 199,270.68 × 80,737.04
  4. Step 4: Simplify right side
    144,399.44x = 16,088,524,861.99
  5. Step 5: Solve for x
    x = 16,088,524,861.99/144,399.44
  6. Step 6: Final answer
    x = 111,416.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.