Home / 109,150.20-163,629.30-73,975.80

Finding the Fourth Proportional to 109,150.20, 163,629.30 and 73,975.80

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Solution

The fourth proportional to 109,150.20, 163,629.30 and 73,975.80 is: 110,898.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,150.20 : 163,629.30 = 73,975.80 : x
  2. Step 2: Convert to fraction form
    109,150.20/163,629.30 = 73,975.80/x
  3. Step 3: Cross multiply
    109,150.20x = 163,629.30 × 73,975.80
  4. Step 4: Simplify right side
    109,150.20x = 12,104,608,370.94
  5. Step 5: Solve for x
    x = 12,104,608,370.94/109,150.20
  6. Step 6: Final answer
    x = 110,898.64

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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.