Home / 179,311.14-268,764.86-78,194.28

Finding the Fourth Proportional to 179,311.14, 268,764.86 and 78,194.28

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Solution

The fourth proportional to 179,311.14, 268,764.86 and 78,194.28 is: 117,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,311.14 : 268,764.86 = 78,194.28 : x
  2. Step 2: Convert to fraction form
    179,311.14/268,764.86 = 78,194.28/x
  3. Step 3: Cross multiply
    179,311.14x = 268,764.86 × 78,194.28
  4. Step 4: Simplify right side
    179,311.14x = 21,015,874,717.00
  5. Step 5: Solve for x
    x = 21,015,874,717.00/179,311.14
  6. Step 6: Final answer
    x = 117,203.40

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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.