Home / 194,179.92-291,383.10-81,853.26

Finding the Fourth Proportional to 194,179.92, 291,383.10 and 81,853.26

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Solution

The fourth proportional to 194,179.92, 291,383.10 and 81,853.26 is: 122,827.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,179.92 : 291,383.10 = 81,853.26 : x
  2. Step 2: Convert to fraction form
    194,179.92/291,383.10 = 81,853.26/x
  3. Step 3: Cross multiply
    194,179.92x = 291,383.10 × 81,853.26
  4. Step 4: Simplify right side
    194,179.92x = 23,850,656,643.91
  5. Step 5: Solve for x
    x = 23,850,656,643.91/194,179.92
  6. Step 6: Final answer
    x = 122,827.62

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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.