Home / 166,618.31-229,694.09-118,788.62

Finding the Fourth Proportional to 166,618.31, 229,694.09 and 118,788.62

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Solution

The fourth proportional to 166,618.31, 229,694.09 and 118,788.62 is: 163,757.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,618.31 : 229,694.09 = 118,788.62 : x
  2. Step 2: Convert to fraction form
    166,618.31/229,694.09 = 118,788.62/x
  3. Step 3: Cross multiply
    166,618.31x = 229,694.09 × 118,788.62
  4. Step 4: Simplify right side
    166,618.31x = 27,285,042,230.84
  5. Step 5: Solve for x
    x = 27,285,042,230.84/166,618.31
  6. Step 6: Final answer
    x = 163,757.77

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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.