Home / 179,895.20-270,015.60-91,248.80

Finding the Fourth Proportional to 179,895.20, 270,015.60 and 91,248.80

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Solution

The fourth proportional to 179,895.20, 270,015.60 and 91,248.80 is: 136,960.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,895.20 : 270,015.60 = 91,248.80 : x
  2. Step 2: Convert to fraction form
    179,895.20/270,015.60 = 91,248.80/x
  3. Step 3: Cross multiply
    179,895.20x = 270,015.60 × 91,248.80
  4. Step 4: Simplify right side
    179,895.20x = 24,638,599,481.28
  5. Step 5: Solve for x
    x = 24,638,599,481.28/179,895.20
  6. Step 6: Final answer
    x = 136,960.85

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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.