Home / 167,984.10-251,684.55-108,789.30

Finding the Fourth Proportional to 167,984.10, 251,684.55 and 108,789.30

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Solution

The fourth proportional to 167,984.10, 251,684.55 and 108,789.30 is: 162,995.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,984.10 : 251,684.55 = 108,789.30 : x
  2. Step 2: Convert to fraction form
    167,984.10/251,684.55 = 108,789.30/x
  3. Step 3: Cross multiply
    167,984.10x = 251,684.55 × 108,789.30
  4. Step 4: Simplify right side
    167,984.10x = 27,380,586,015.32
  5. Step 5: Solve for x
    x = 27,380,586,015.32/167,984.10
  6. Step 6: Final answer
    x = 162,995.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.