Home / 179,383.32-268,943.22-85,954.68

Finding the Fourth Proportional to 179,383.32, 268,943.22 and 85,954.68

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Solution

The fourth proportional to 179,383.32, 268,943.22 and 85,954.68 is: 128,868.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,383.32 : 268,943.22 = 85,954.68 : x
  2. Step 2: Convert to fraction form
    179,383.32/268,943.22 = 85,954.68/x
  3. Step 3: Cross multiply
    179,383.32x = 268,943.22 × 85,954.68
  4. Step 4: Simplify right side
    179,383.32x = 23,116,928,413.27
  5. Step 5: Solve for x
    x = 23,116,928,413.27/179,383.32
  6. Step 6: Final answer
    x = 128,868.88

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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.