Home / 165,197.20-227,963.64-89,745.52

Finding the Fourth Proportional to 165,197.20, 227,963.64 and 89,745.52

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Solution

The fourth proportional to 165,197.20, 227,963.64 and 89,745.52 is: 123,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,197.20 : 227,963.64 = 89,745.52 : x
  2. Step 2: Convert to fraction form
    165,197.20/227,963.64 = 89,745.52/x
  3. Step 3: Cross multiply
    165,197.20x = 227,963.64 × 89,745.52
  4. Step 4: Simplify right side
    165,197.20x = 20,458,715,412.89
  5. Step 5: Solve for x
    x = 20,458,715,412.89/165,197.20
  6. Step 6: Final answer
    x = 123,844.20

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1.5x scale

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.