Home / 481,296.47-721,942.79-121,468.15

Finding the Fourth Proportional to 481,296.47, 721,942.79 and 121,468.15

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Solution

The fourth proportional to 481,296.47, 721,942.79 and 121,468.15 is: 182,201.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,296.47 : 721,942.79 = 121,468.15 : x
  2. Step 2: Convert to fraction form
    481,296.47/721,942.79 = 121,468.15/x
  3. Step 3: Cross multiply
    481,296.47x = 721,942.79 × 121,468.15
  4. Step 4: Simplify right side
    481,296.47x = 87,693,052,694.94
  5. Step 5: Solve for x
    x = 87,693,052,694.94/481,296.47
  6. Step 6: Final answer
    x = 182,201.74

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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.