Home / 146,370.82-202,003.62-82,721.86

Finding the Fourth Proportional to 146,370.82, 202,003.62 and 82,721.86

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Solution

The fourth proportional to 146,370.82, 202,003.62 and 82,721.86 is: 114,162.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,370.82 : 202,003.62 = 82,721.86 : x
  2. Step 2: Convert to fraction form
    146,370.82/202,003.62 = 82,721.86/x
  3. Step 3: Cross multiply
    146,370.82x = 202,003.62 × 82,721.86
  4. Step 4: Simplify right side
    146,370.82x = 16,710,115,173.13
  5. Step 5: Solve for x
    x = 16,710,115,173.13/146,370.82
  6. Step 6: Final answer
    x = 114,162.89

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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.