Home / 166,005.99-229,338.09-108,781.29

Finding the Fourth Proportional to 166,005.99, 229,338.09 and 108,781.29

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Solution

The fourth proportional to 166,005.99, 229,338.09 and 108,781.29 is: 150,281.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,005.99 : 229,338.09 = 108,781.29 : x
  2. Step 2: Convert to fraction form
    166,005.99/229,338.09 = 108,781.29/x
  3. Step 3: Cross multiply
    166,005.99x = 229,338.09 × 108,781.29
  4. Step 4: Simplify right side
    166,005.99x = 24,947,693,276.34
  5. Step 5: Solve for x
    x = 24,947,693,276.34/166,005.99
  6. Step 6: Final answer
    x = 150,281.89

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1.5x scale

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.