Home / 214,161.93-321,388.25-114,393.74

Finding the Fourth Proportional to 214,161.93, 321,388.25 and 114,393.74

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Solution

The fourth proportional to 214,161.93, 321,388.25 and 114,393.74 is: 171,668.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,161.93 : 321,388.25 = 114,393.74 : x
  2. Step 2: Convert to fraction form
    214,161.93/321,388.25 = 114,393.74/x
  3. Step 3: Cross multiply
    214,161.93x = 321,388.25 × 114,393.74
  4. Step 4: Simplify right side
    214,161.93x = 36,764,801,730.65
  5. Step 5: Solve for x
    x = 36,764,801,730.65/214,161.93
  6. Step 6: Final answer
    x = 171,668.24

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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.