Home / 214,110.58-321,171.10-71,957.94

Finding the Fourth Proportional to 214,110.58, 321,171.10 and 71,957.94

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Solution

The fourth proportional to 214,110.58, 321,171.10 and 71,957.94 is: 107,938.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,110.58 : 321,171.10 = 71,957.94 : x
  2. Step 2: Convert to fraction form
    214,110.58/321,171.10 = 71,957.94/x
  3. Step 3: Cross multiply
    214,110.58x = 321,171.10 × 71,957.94
  4. Step 4: Simplify right side
    214,110.58x = 23,110,810,743.53
  5. Step 5: Solve for x
    x = 23,110,810,743.53/214,110.58
  6. Step 6: Final answer
    x = 107,938.67

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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.