Home / 194,181.49-291,342.37-67,840.39

Finding the Fourth Proportional to 194,181.49, 291,342.37 and 67,840.39

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Solution

The fourth proportional to 194,181.49, 291,342.37 and 67,840.39 is: 101,785.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,181.49 : 291,342.37 = 67,840.39 : x
  2. Step 2: Convert to fraction form
    194,181.49/291,342.37 = 67,840.39/x
  3. Step 3: Cross multiply
    194,181.49x = 291,342.37 × 67,840.39
  4. Step 4: Simplify right side
    194,181.49x = 19,764,780,004.32
  5. Step 5: Solve for x
    x = 19,764,780,004.32/194,181.49
  6. Step 6: Final answer
    x = 101,785.09

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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.