Home / 164,116.10-226,260.87-123,105.90

Finding the Fourth Proportional to 164,116.10, 226,260.87 and 123,105.90

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Solution

The fourth proportional to 164,116.10, 226,260.87 and 123,105.90 is: 169,721.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,116.10 : 226,260.87 = 123,105.90 : x
  2. Step 2: Convert to fraction form
    164,116.10/226,260.87 = 123,105.90/x
  3. Step 3: Cross multiply
    164,116.10x = 226,260.87 × 123,105.90
  4. Step 4: Simplify right side
    164,116.10x = 27,854,048,036.13
  5. Step 5: Solve for x
    x = 27,854,048,036.13/164,116.10
  6. Step 6: Final answer
    x = 169,721.61

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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.