Home / 268,738.63-371,012.27-178,216.79

Finding the Fourth Proportional to 268,738.63, 371,012.27 and 178,216.79

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Solution

The fourth proportional to 268,738.63, 371,012.27 and 178,216.79 is: 246,040.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,738.63 : 371,012.27 = 178,216.79 : x
  2. Step 2: Convert to fraction form
    268,738.63/371,012.27 = 178,216.79/x
  3. Step 3: Cross multiply
    268,738.63x = 371,012.27 × 178,216.79
  4. Step 4: Simplify right side
    268,738.63x = 66,120,613,063.87
  5. Step 5: Solve for x
    x = 66,120,613,063.87/268,738.63
  6. Step 6: Final answer
    x = 246,040.60

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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.