Home / 167,974.60-251,670.30-108,779.80

Finding the Fourth Proportional to 167,974.60, 251,670.30 and 108,779.80

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Solution

The fourth proportional to 167,974.60, 251,670.30 and 108,779.80 is: 162,980.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,974.60 : 251,670.30 = 108,779.80 : x
  2. Step 2: Convert to fraction form
    167,974.60/251,670.30 = 108,779.80/x
  3. Step 3: Cross multiply
    167,974.60x = 251,670.30 × 108,779.80
  4. Step 4: Simplify right side
    167,974.60x = 27,376,644,899.94
  5. Step 5: Solve for x
    x = 27,376,644,899.94/167,974.60
  6. Step 6: Final answer
    x = 162,980.86

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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.