Home / 146,942.43-202,778.30-82,411.65

Finding the Fourth Proportional to 146,942.43, 202,778.30 and 82,411.65

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Solution

The fourth proportional to 146,942.43, 202,778.30 and 82,411.65 is: 113,726.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,942.43 : 202,778.30 = 82,411.65 : x
  2. Step 2: Convert to fraction form
    146,942.43/202,778.30 = 82,411.65/x
  3. Step 3: Cross multiply
    146,942.43x = 202,778.30 × 82,411.65
  4. Step 4: Simplify right side
    146,942.43x = 16,711,294,287.20
  5. Step 5: Solve for x
    x = 16,711,294,287.20/146,942.43
  6. Step 6: Final answer
    x = 113,726.81

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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.