Home / 194,189.92-291,398.24-81,863.36

Finding the Fourth Proportional to 194,189.92, 291,398.24 and 81,863.36

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Solution

The fourth proportional to 194,189.92, 291,398.24 and 81,863.36 is: 122,842.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,189.92 : 291,398.24 = 81,863.36 : x
  2. Step 2: Convert to fraction form
    194,189.92/291,398.24 = 81,863.36/x
  3. Step 3: Cross multiply
    194,189.92x = 291,398.24 × 81,863.36
  4. Step 4: Simplify right side
    194,189.92x = 23,854,839,024.49
  5. Step 5: Solve for x
    x = 23,854,839,024.49/194,189.92
  6. Step 6: Final answer
    x = 122,842.83

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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.