Home / 214,080.06-321,165.18-80,957.37

Finding the Fourth Proportional to 214,080.06, 321,165.18 and 80,957.37

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Solution

The fourth proportional to 214,080.06, 321,165.18 and 80,957.37 is: 121,453.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,080.06 : 321,165.18 = 80,957.37 : x
  2. Step 2: Convert to fraction form
    214,080.06/321,165.18 = 80,957.37/x
  3. Step 3: Cross multiply
    214,080.06x = 321,165.18 × 80,957.37
  4. Step 4: Simplify right side
    214,080.06x = 26,000,688,308.38
  5. Step 5: Solve for x
    x = 26,000,688,308.38/214,080.06
  6. Step 6: Final answer
    x = 121,453.11

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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.