Home / 214,165.52-321,022.20-71,875.86

Finding the Fourth Proportional to 214,165.52, 321,022.20 and 71,875.86

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Solution

The fourth proportional to 214,165.52, 321,022.20 and 71,875.86 is: 107,737.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,165.52 : 321,022.20 = 71,875.86 : x
  2. Step 2: Convert to fraction form
    214,165.52/321,022.20 = 71,875.86/x
  3. Step 3: Cross multiply
    214,165.52x = 321,022.20 × 71,875.86
  4. Step 4: Simplify right side
    214,165.52x = 23,073,745,769.79
  5. Step 5: Solve for x
    x = 23,073,745,769.79/214,165.52
  6. Step 6: Final answer
    x = 107,737.91

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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.