Home / 144,972.20-217,469.10-51,465.80

Finding the Fourth Proportional to 144,972.20, 217,469.10 and 51,465.80

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Solution

The fourth proportional to 144,972.20, 217,469.10 and 51,465.80 is: 77,202.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,972.20 : 217,469.10 = 51,465.80 : x
  2. Step 2: Convert to fraction form
    144,972.20/217,469.10 = 51,465.80/x
  3. Step 3: Cross multiply
    144,972.20x = 217,469.10 × 51,465.80
  4. Step 4: Simplify right side
    144,972.20x = 11,192,221,206.78
  5. Step 5: Solve for x
    x = 11,192,221,206.78/144,972.20
  6. Step 6: Final answer
    x = 77,202.53

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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.