Home / 307,939.30-461,935.14-108,242.44

Finding the Fourth Proportional to 307,939.30, 461,935.14 and 108,242.44

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Solution

The fourth proportional to 307,939.30, 461,935.14 and 108,242.44 is: 162,372.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,939.30 : 461,935.14 = 108,242.44 : x
  2. Step 2: Convert to fraction form
    307,939.30/461,935.14 = 108,242.44/x
  3. Step 3: Cross multiply
    307,939.30x = 461,935.14 × 108,242.44
  4. Step 4: Simplify right side
    307,939.30x = 50,000,986,675.34
  5. Step 5: Solve for x
    x = 50,000,986,675.34/307,939.30
  6. Step 6: Final answer
    x = 162,372.87

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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.