Home / 179,543.70-269,317.89-86,027.58

Finding the Fourth Proportional to 179,543.70, 269,317.89 and 86,027.58

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Solution

The fourth proportional to 179,543.70, 269,317.89 and 86,027.58 is: 129,042.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,543.70 : 269,317.89 = 86,027.58 : x
  2. Step 2: Convert to fraction form
    179,543.70/269,317.89 = 86,027.58/x
  3. Step 3: Cross multiply
    179,543.70x = 269,317.89 × 86,027.58
  4. Step 4: Simplify right side
    179,543.70x = 23,168,766,327.41
  5. Step 5: Solve for x
    x = 23,168,766,327.41/179,543.70
  6. Step 6: Final answer
    x = 129,042.49

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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.