Home / 120,198.08-180,322.88-35,964.80

Finding the Fourth Proportional to 120,198.08, 180,322.88 and 35,964.80

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Solution

The fourth proportional to 120,198.08, 180,322.88 and 35,964.80 is: 53,954.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,198.08 : 180,322.88 = 35,964.80 : x
  2. Step 2: Convert to fraction form
    120,198.08/180,322.88 = 35,964.80/x
  3. Step 3: Cross multiply
    120,198.08x = 180,322.88 × 35,964.80
  4. Step 4: Simplify right side
    120,198.08x = 6,485,276,314.62
  5. Step 5: Solve for x
    x = 6,485,276,314.62/120,198.08
  6. Step 6: Final answer
    x = 53,954.91

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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.