Home / 273,228.40-409,405.20-179,624.80

Finding the Fourth Proportional to 273,228.40, 409,405.20 and 179,624.80

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Solution

The fourth proportional to 273,228.40, 409,405.20 and 179,624.80 is: 269,149.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,228.40 : 409,405.20 = 179,624.80 : x
  2. Step 2: Convert to fraction form
    273,228.40/409,405.20 = 179,624.80/x
  3. Step 3: Cross multiply
    273,228.40x = 409,405.20 × 179,624.80
  4. Step 4: Simplify right side
    273,228.40x = 73,539,327,168.96
  5. Step 5: Solve for x
    x = 73,539,327,168.96/273,228.40
  6. Step 6: Final answer
    x = 269,149.65

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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.