Home / 214,629.16-321,950.52-102,321.64

Finding the Fourth Proportional to 214,629.16, 321,950.52 and 102,321.64

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Solution

The fourth proportional to 214,629.16, 321,950.52 and 102,321.64 is: 153,485.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,629.16 : 321,950.52 = 102,321.64 : x
  2. Step 2: Convert to fraction form
    214,629.16/321,950.52 = 102,321.64/x
  3. Step 3: Cross multiply
    214,629.16x = 321,950.52 × 102,321.64
  4. Step 4: Simplify right side
    214,629.16x = 32,942,505,205.25
  5. Step 5: Solve for x
    x = 32,942,505,205.25/214,629.16
  6. Step 6: Final answer
    x = 153,485.69

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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.