Home / 180,538.08-270,651.60-87,109.44

Finding the Fourth Proportional to 180,538.08, 270,651.60 and 87,109.44

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Solution

The fourth proportional to 180,538.08, 270,651.60 and 87,109.44 is: 130,589.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,538.08 : 270,651.60 = 87,109.44 : x
  2. Step 2: Convert to fraction form
    180,538.08/270,651.60 = 87,109.44/x
  3. Step 3: Cross multiply
    180,538.08x = 270,651.60 × 87,109.44
  4. Step 4: Simplify right side
    180,538.08x = 23,576,309,311.10
  5. Step 5: Solve for x
    x = 23,576,309,311.10/180,538.08
  6. Step 6: Final answer
    x = 130,589.12

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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.