Home / 268,119.37-401,566.56-127,976.41

Finding the Fourth Proportional to 268,119.37, 401,566.56 and 127,976.41

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Solution

The fourth proportional to 268,119.37, 401,566.56 and 127,976.41 is: 191,672.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,119.37 : 401,566.56 = 127,976.41 : x
  2. Step 2: Convert to fraction form
    268,119.37/401,566.56 = 127,976.41/x
  3. Step 3: Cross multiply
    268,119.37x = 401,566.56 × 127,976.41
  4. Step 4: Simplify right side
    268,119.37x = 51,391,046,724.85
  5. Step 5: Solve for x
    x = 51,391,046,724.85/268,119.37
  6. Step 6: Final answer
    x = 191,672.26

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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.