Home / 194,180.49-291,340.87-67,839.39

Finding the Fourth Proportional to 194,180.49, 291,340.87 and 67,839.39

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Solution

The fourth proportional to 194,180.49, 291,340.87 and 67,839.39 is: 101,783.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,180.49 : 291,340.87 = 67,839.39 : x
  2. Step 2: Convert to fraction form
    194,180.49/291,340.87 = 67,839.39/x
  3. Step 3: Cross multiply
    194,180.49x = 291,340.87 × 67,839.39
  4. Step 4: Simplify right side
    194,180.49x = 19,764,386,733.27
  5. Step 5: Solve for x
    x = 19,764,386,733.27/194,180.49
  6. Step 6: Final answer
    x = 101,783.59

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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.