Home / 214,423.17-321,530.76-64,635.54

Finding the Fourth Proportional to 214,423.17, 321,530.76 and 64,635.54

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Solution

The fourth proportional to 214,423.17, 321,530.76 and 64,635.54 is: 96,921.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,423.17 : 321,530.76 = 64,635.54 : x
  2. Step 2: Convert to fraction form
    214,423.17/321,530.76 = 64,635.54/x
  3. Step 3: Cross multiply
    214,423.17x = 321,530.76 × 64,635.54
  4. Step 4: Simplify right side
    214,423.17x = 20,782,314,299.21
  5. Step 5: Solve for x
    x = 20,782,314,299.21/214,423.17
  6. Step 6: Final answer
    x = 96,921.96

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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.