Home / 119,720.20-179,601.90-49,606.60

Finding the Fourth Proportional to 119,720.20, 179,601.90 and 49,606.60

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Solution

The fourth proportional to 119,720.20, 179,601.90 and 49,606.60 is: 74,418.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,720.20 : 179,601.90 = 49,606.60 : x
  2. Step 2: Convert to fraction form
    119,720.20/179,601.90 = 49,606.60/x
  3. Step 3: Cross multiply
    119,720.20x = 179,601.90 × 49,606.60
  4. Step 4: Simplify right side
    119,720.20x = 8,909,439,612.54
  5. Step 5: Solve for x
    x = 8,909,439,612.54/119,720.20
  6. Step 6: Final answer
    x = 74,418.85

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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.