Home / 144,582.07-199,523.24-80,919.87

Finding the Fourth Proportional to 144,582.07, 199,523.24 and 80,919.87

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Solution

The fourth proportional to 144,582.07, 199,523.24 and 80,919.87 is: 111,669.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,582.07 : 199,523.24 = 80,919.87 : x
  2. Step 2: Convert to fraction form
    144,582.07/199,523.24 = 80,919.87/x
  3. Step 3: Cross multiply
    144,582.07x = 199,523.24 × 80,919.87
  4. Step 4: Simplify right side
    144,582.07x = 16,145,393,240.56
  5. Step 5: Solve for x
    x = 16,145,393,240.56/144,582.07
  6. Step 6: Final answer
    x = 111,669.40

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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.