Home / 179,178.34-247,163.25-111,993.70

Finding the Fourth Proportional to 179,178.34, 247,163.25 and 111,993.70

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Solution

The fourth proportional to 179,178.34, 247,163.25 and 111,993.70 is: 154,487.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,178.34 : 247,163.25 = 111,993.70 : x
  2. Step 2: Convert to fraction form
    179,178.34/247,163.25 = 111,993.70/x
  3. Step 3: Cross multiply
    179,178.34x = 247,163.25 × 111,993.70
  4. Step 4: Simplify right side
    179,178.34x = 27,680,726,871.53
  5. Step 5: Solve for x
    x = 27,680,726,871.53/179,178.34
  6. Step 6: Final answer
    x = 154,487.01

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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.