Home / 125,720.12-188,540.12-41,464.52

Finding the Fourth Proportional to 125,720.12, 188,540.12 and 41,464.52

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Solution

The fourth proportional to 125,720.12, 188,540.12 and 41,464.52 is: 62,183.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,720.12 : 188,540.12 = 41,464.52 : x
  2. Step 2: Convert to fraction form
    125,720.12/188,540.12 = 41,464.52/x
  3. Step 3: Cross multiply
    125,720.12x = 188,540.12 × 41,464.52
  4. Step 4: Simplify right side
    125,720.12x = 7,817,725,576.54
  5. Step 5: Solve for x
    x = 7,817,725,576.54/125,720.12
  6. Step 6: Final answer
    x = 62,183.57

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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.