Home / 119,793.20-179,711.40-49,679.60

Finding the Fourth Proportional to 119,793.20, 179,711.40 and 49,679.60

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Solution

The fourth proportional to 119,793.20, 179,711.40 and 49,679.60 is: 74,528.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,793.20 : 179,711.40 = 49,679.60 : x
  2. Step 2: Convert to fraction form
    119,793.20/179,711.40 = 49,679.60/x
  3. Step 3: Cross multiply
    119,793.20x = 179,711.40 × 49,679.60
  4. Step 4: Simplify right side
    119,793.20x = 8,927,990,467.44
  5. Step 5: Solve for x
    x = 8,927,990,467.44/119,793.20
  6. Step 6: Final answer
    x = 74,528.36

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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.