Home / 146,520.69-202,202.96-82,857.21

Finding the Fourth Proportional to 146,520.69, 202,202.96 and 82,857.21

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Solution

The fourth proportional to 146,520.69, 202,202.96 and 82,857.21 is: 114,345.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,520.69 : 202,202.96 = 82,857.21 : x
  2. Step 2: Convert to fraction form
    146,520.69/202,202.96 = 82,857.21/x
  3. Step 3: Cross multiply
    146,520.69x = 202,202.96 × 82,857.21
  4. Step 4: Simplify right side
    146,520.69x = 16,753,972,705.06
  5. Step 5: Solve for x
    x = 16,753,972,705.06/146,520.69
  6. Step 6: Final answer
    x = 114,345.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.