Home / 179,579.60-269,331.60-90,749.60

Finding the Fourth Proportional to 179,579.60, 269,331.60 and 90,749.60

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Solution

The fourth proportional to 179,579.60, 269,331.60 and 90,749.60 is: 136,105.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,579.60 : 269,331.60 = 90,749.60 : x
  2. Step 2: Convert to fraction form
    179,579.60/269,331.60 = 90,749.60/x
  3. Step 3: Cross multiply
    179,579.60x = 269,331.60 × 90,749.60
  4. Step 4: Simplify right side
    179,579.60x = 24,441,734,967.36
  5. Step 5: Solve for x
    x = 24,441,734,967.36/179,579.60
  6. Step 6: Final answer
    x = 136,105.30

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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.