Home / 136,178.78-204,273.66-47,441.25

Finding the Fourth Proportional to 136,178.78, 204,273.66 and 47,441.25

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Solution

The fourth proportional to 136,178.78, 204,273.66 and 47,441.25 is: 71,163.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,178.78 : 204,273.66 = 47,441.25 : x
  2. Step 2: Convert to fraction form
    136,178.78/204,273.66 = 47,441.25/x
  3. Step 3: Cross multiply
    136,178.78x = 204,273.66 × 47,441.25
  4. Step 4: Simplify right side
    136,178.78x = 9,690,997,772.48
  5. Step 5: Solve for x
    x = 9,690,997,772.48/136,178.78
  6. Step 6: Final answer
    x = 71,163.79

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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.