Home / 307,414.16-461,086.60-82,791.03

Finding the Fourth Proportional to 307,414.16, 461,086.60 and 82,791.03

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Solution

The fourth proportional to 307,414.16, 461,086.60 and 82,791.03 is: 124,177.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,414.16 : 461,086.60 = 82,791.03 : x
  2. Step 2: Convert to fraction form
    307,414.16/461,086.60 = 82,791.03/x
  3. Step 3: Cross multiply
    307,414.16x = 461,086.60 × 82,791.03
  4. Step 4: Simplify right side
    307,414.16x = 38,173,834,533.20
  5. Step 5: Solve for x
    x = 38,173,834,533.20/307,414.16
  6. Step 6: Final answer
    x = 124,177.22

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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.