Home / 194,372.11-291,179.87-109,876.68

Finding the Fourth Proportional to 194,372.11, 291,179.87 and 109,876.68

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Solution

The fourth proportional to 194,372.11, 291,179.87 and 109,876.68 is: 164,601.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,372.11 : 291,179.87 = 109,876.68 : x
  2. Step 2: Convert to fraction form
    194,372.11/291,179.87 = 109,876.68/x
  3. Step 3: Cross multiply
    194,372.11x = 291,179.87 × 109,876.68
  4. Step 4: Simplify right side
    194,372.11x = 31,993,877,398.43
  5. Step 5: Solve for x
    x = 31,993,877,398.43/194,372.11
  6. Step 6: Final answer
    x = 164,601.17

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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.