Home / 188,400.26-259,814.22-123,755.44

Finding the Fourth Proportional to 188,400.26, 259,814.22 and 123,755.44

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Solution

The fourth proportional to 188,400.26, 259,814.22 and 123,755.44 is: 170,665.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,400.26 : 259,814.22 = 123,755.44 : x
  2. Step 2: Convert to fraction form
    188,400.26/259,814.22 = 123,755.44/x
  3. Step 3: Cross multiply
    188,400.26x = 259,814.22 × 123,755.44
  4. Step 4: Simplify right side
    188,400.26x = 32,153,423,114.36
  5. Step 5: Solve for x
    x = 32,153,423,114.36/188,400.26
  6. Step 6: Final answer
    x = 170,665.49

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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.