Home / 378,012.75-566,822.26-178,279.51

Finding the Fourth Proportional to 378,012.75, 566,822.26 and 178,279.51

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Solution

The fourth proportional to 378,012.75, 566,822.26 and 178,279.51 is: 267,326.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,012.75 : 566,822.26 = 178,279.51 : x
  2. Step 2: Convert to fraction form
    378,012.75/566,822.26 = 178,279.51/x
  3. Step 3: Cross multiply
    378,012.75x = 566,822.26 × 178,279.51
  4. Step 4: Simplify right side
    378,012.75x = 101,052,792,041.47
  5. Step 5: Solve for x
    x = 101,052,792,041.47/378,012.75
  6. Step 6: Final answer
    x = 267,326.41

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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.