Home / 194,245.56-291,286.80-81,976.32

Finding the Fourth Proportional to 194,245.56, 291,286.80 and 81,976.32

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Solution

The fourth proportional to 194,245.56, 291,286.80 and 81,976.32 is: 122,930.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,245.56 : 291,286.80 = 81,976.32 : x
  2. Step 2: Convert to fraction form
    194,245.56/291,286.80 = 81,976.32/x
  3. Step 3: Cross multiply
    194,245.56x = 291,286.80 × 81,976.32
  4. Step 4: Simplify right side
    194,245.56x = 23,878,619,928.58
  5. Step 5: Solve for x
    x = 23,878,619,928.58/194,245.56
  6. Step 6: Final answer
    x = 122,930.07

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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.