Home / 196,439.06-271,118.79-115,886.58

Finding the Fourth Proportional to 196,439.06, 271,118.79 and 115,886.58

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Solution

The fourth proportional to 196,439.06, 271,118.79 and 115,886.58 is: 159,942.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,439.06 : 271,118.79 = 115,886.58 : x
  2. Step 2: Convert to fraction form
    196,439.06/271,118.79 = 115,886.58/x
  3. Step 3: Cross multiply
    196,439.06x = 271,118.79 × 115,886.58
  4. Step 4: Simplify right side
    196,439.06x = 31,419,029,346.84
  5. Step 5: Solve for x
    x = 31,419,029,346.84/196,439.06
  6. Step 6: Final answer
    x = 159,942.89

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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.