Home / 188,532.11-260,167.66-103,648.52

Finding the Fourth Proportional to 188,532.11, 260,167.66 and 103,648.52

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Solution

The fourth proportional to 188,532.11, 260,167.66 and 103,648.52 is: 143,031.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,532.11 : 260,167.66 = 103,648.52 : x
  2. Step 2: Convert to fraction form
    188,532.11/260,167.66 = 103,648.52/x
  3. Step 3: Cross multiply
    188,532.11x = 260,167.66 × 103,648.52
  4. Step 4: Simplify right side
    188,532.11x = 26,965,991,350.90
  5. Step 5: Solve for x
    x = 26,965,991,350.90/188,532.11
  6. Step 6: Final answer
    x = 143,031.30

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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.