Home / 188,201.52-259,716.96-102,162.24

Finding the Fourth Proportional to 188,201.52, 259,716.96 and 102,162.24

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Solution

The fourth proportional to 188,201.52, 259,716.96 and 102,162.24 is: 140,983.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,201.52 : 259,716.96 = 102,162.24 : x
  2. Step 2: Convert to fraction form
    188,201.52/259,716.96 = 102,162.24/x
  3. Step 3: Cross multiply
    188,201.52x = 259,716.96 × 102,162.24
  4. Step 4: Simplify right side
    188,201.52x = 26,533,266,399.59
  5. Step 5: Solve for x
    x = 26,533,266,399.59/188,201.52
  6. Step 6: Final answer
    x = 140,983.27

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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.