Home / 188,813.67-260,587.75-113,367.03

Finding the Fourth Proportional to 188,813.67, 260,587.75 and 113,367.03

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Solution

The fourth proportional to 188,813.67, 260,587.75 and 113,367.03 is: 156,461.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,813.67 : 260,587.75 = 113,367.03 : x
  2. Step 2: Convert to fraction form
    188,813.67/260,587.75 = 113,367.03/x
  3. Step 3: Cross multiply
    188,813.67x = 260,587.75 × 113,367.03
  4. Step 4: Simplify right side
    188,813.67x = 29,542,059,271.88
  5. Step 5: Solve for x
    x = 29,542,059,271.88/188,813.67
  6. Step 6: Final answer
    x = 156,461.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.