Home / 140,843.04-211,122.41-88,289.43

Finding the Fourth Proportional to 140,843.04, 211,122.41 and 88,289.43

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Solution

The fourth proportional to 140,843.04, 211,122.41 and 88,289.43 is: 132,345.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,843.04 : 211,122.41 = 88,289.43 : x
  2. Step 2: Convert to fraction form
    140,843.04/211,122.41 = 88,289.43/x
  3. Step 3: Cross multiply
    140,843.04x = 211,122.41 × 88,289.43
  4. Step 4: Simplify right side
    140,843.04x = 18,639,876,797.68
  5. Step 5: Solve for x
    x = 18,639,876,797.68/140,843.04
  6. Step 6: Final answer
    x = 132,345.03

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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.