Home / 172,861.12-238,546.92-96,379.28

Finding the Fourth Proportional to 172,861.12, 238,546.92 and 96,379.28

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Solution

The fourth proportional to 172,861.12, 238,546.92 and 96,379.28 is: 133,002.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,861.12 : 238,546.92 = 96,379.28 : x
  2. Step 2: Convert to fraction form
    172,861.12/238,546.92 = 96,379.28/x
  3. Step 3: Cross multiply
    172,861.12x = 238,546.92 × 96,379.28
  4. Step 4: Simplify right side
    172,861.12x = 22,990,980,395.82
  5. Step 5: Solve for x
    x = 22,990,980,395.82/172,861.12
  6. Step 6: Final answer
    x = 133,002.61

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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.