Home / 194,388.12-291,606.89-76,044.29

Finding the Fourth Proportional to 194,388.12, 291,606.89 and 76,044.29

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Solution

The fourth proportional to 194,388.12, 291,606.89 and 76,044.29 is: 114,076.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,388.12 : 291,606.89 = 76,044.29 : x
  2. Step 2: Convert to fraction form
    194,388.12/291,606.89 = 76,044.29/x
  3. Step 3: Cross multiply
    194,388.12x = 291,606.89 × 76,044.29
  4. Step 4: Simplify right side
    194,388.12x = 22,175,037,070.90
  5. Step 5: Solve for x
    x = 22,175,037,070.90/194,388.12
  6. Step 6: Final answer
    x = 114,076.09

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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.