Home / 146,727.70-220,091.55-136,813.30

Finding the Fourth Proportional to 146,727.70, 220,091.55 and 136,813.30

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Solution

The fourth proportional to 146,727.70, 220,091.55 and 136,813.30 is: 205,219.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,727.70 : 220,091.55 = 136,813.30 : x
  2. Step 2: Convert to fraction form
    146,727.70/220,091.55 = 136,813.30/x
  3. Step 3: Cross multiply
    146,727.70x = 220,091.55 × 136,813.30
  4. Step 4: Simplify right side
    146,727.70x = 30,111,451,257.62
  5. Step 5: Solve for x
    x = 30,111,451,257.62/146,727.70
  6. Step 6: Final answer
    x = 205,219.95

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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.