Home / 214,080.45-321,137.28-64,309.02

Finding the Fourth Proportional to 214,080.45, 321,137.28 and 64,309.02

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Solution

The fourth proportional to 214,080.45, 321,137.28 and 64,309.02 is: 96,468.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,080.45 : 321,137.28 = 64,309.02 : x
  2. Step 2: Convert to fraction form
    214,080.45/321,137.28 = 64,309.02/x
  3. Step 3: Cross multiply
    214,080.45x = 321,137.28 × 64,309.02
  4. Step 4: Simplify right side
    214,080.45x = 20,652,023,762.27
  5. Step 5: Solve for x
    x = 20,652,023,762.27/214,080.45
  6. Step 6: Final answer
    x = 96,468.52

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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.