Home / 214,035.90-321,053.85-109,059.90

Finding the Fourth Proportional to 214,035.90, 321,053.85 and 109,059.90

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Solution

The fourth proportional to 214,035.90, 321,053.85 and 109,059.90 is: 163,589.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,035.90 : 321,053.85 = 109,059.90 : x
  2. Step 2: Convert to fraction form
    214,035.90/321,053.85 = 109,059.90/x
  3. Step 3: Cross multiply
    214,035.90x = 321,053.85 × 109,059.90
  4. Step 4: Simplify right side
    214,035.90x = 35,014,100,775.62
  5. Step 5: Solve for x
    x = 35,014,100,775.62/214,035.90
  6. Step 6: Final answer
    x = 163,589.85

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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.