Home / 203,399.33-304,887.18-68,363.15

Finding the Fourth Proportional to 203,399.33, 304,887.18 and 68,363.15

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Solution

The fourth proportional to 203,399.33, 304,887.18 and 68,363.15 is: 102,473.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,399.33 : 304,887.18 = 68,363.15 : x
  2. Step 2: Convert to fraction form
    203,399.33/304,887.18 = 68,363.15/x
  3. Step 3: Cross multiply
    203,399.33x = 304,887.18 × 68,363.15
  4. Step 4: Simplify right side
    203,399.33x = 20,843,048,019.42
  5. Step 5: Solve for x
    x = 20,843,048,019.42/203,399.33
  6. Step 6: Final answer
    x = 102,473.53

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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.