Home / 307,938.30-461,933.64-108,241.44

Finding the Fourth Proportional to 307,938.30, 461,933.64 and 108,241.44

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Solution

The fourth proportional to 307,938.30, 461,933.64 and 108,241.44 is: 162,371.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,938.30 : 461,933.64 = 108,241.44 : x
  2. Step 2: Convert to fraction form
    307,938.30/461,933.64 = 108,241.44/x
  3. Step 3: Cross multiply
    307,938.30x = 461,933.64 × 108,241.44
  4. Step 4: Simplify right side
    307,938.30x = 50,000,362,378.04
  5. Step 5: Solve for x
    x = 50,000,362,378.04/307,938.30
  6. Step 6: Final answer
    x = 162,371.37

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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.