Home / 109,187.87-163,615.04-73,517.44

Finding the Fourth Proportional to 109,187.87, 163,615.04 and 73,517.44

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Solution

The fourth proportional to 109,187.87, 163,615.04 and 73,517.44 is: 110,163.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,187.87 : 163,615.04 = 73,517.44 : x
  2. Step 2: Convert to fraction form
    109,187.87/163,615.04 = 73,517.44/x
  3. Step 3: Cross multiply
    109,187.87x = 163,615.04 × 73,517.44
  4. Step 4: Simplify right side
    109,187.87x = 12,028,558,886.30
  5. Step 5: Solve for x
    x = 12,028,558,886.30/109,187.87
  6. Step 6: Final answer
    x = 110,163.88

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1.5x scale

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.