Home / 146,613.72-202,305.43-82,079.61

Finding the Fourth Proportional to 146,613.72, 202,305.43 and 82,079.61

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Solution

The fourth proportional to 146,613.72, 202,305.43 and 82,079.61 is: 113,257.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,613.72 : 202,305.43 = 82,079.61 : x
  2. Step 2: Convert to fraction form
    146,613.72/202,305.43 = 82,079.61/x
  3. Step 3: Cross multiply
    146,613.72x = 202,305.43 × 82,079.61
  4. Step 4: Simplify right side
    146,613.72x = 16,605,150,795.28
  5. Step 5: Solve for x
    x = 16,605,150,795.28/146,613.72
  6. Step 6: Final answer
    x = 113,257.82

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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.