Home / 119,956.12-178,964.27-107,999.44

Finding the Fourth Proportional to 119,956.12, 178,964.27 and 107,999.44

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Solution

The fourth proportional to 119,956.12, 178,964.27 and 107,999.44 is: 161,125.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,956.12 : 178,964.27 = 107,999.44 : x
  2. Step 2: Convert to fraction form
    119,956.12/178,964.27 = 107,999.44/x
  3. Step 3: Cross multiply
    119,956.12x = 178,964.27 × 107,999.44
  4. Step 4: Simplify right side
    119,956.12x = 19,328,040,940.01
  5. Step 5: Solve for x
    x = 19,328,040,940.01/119,956.12
  6. Step 6: Final answer
    x = 161,125.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.