Home / 194,132.30-291,077.82-81,754.65

Finding the Fourth Proportional to 194,132.30, 291,077.82 and 81,754.65

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Solution

The fourth proportional to 194,132.30, 291,077.82 and 81,754.65 is: 122,581.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,132.30 : 291,077.82 = 81,754.65 : x
  2. Step 2: Convert to fraction form
    194,132.30/291,077.82 = 81,754.65/x
  3. Step 3: Cross multiply
    194,132.30x = 291,077.82 × 81,754.65
  4. Step 4: Simplify right side
    194,132.30x = 23,796,965,296.86
  5. Step 5: Solve for x
    x = 23,796,965,296.86/194,132.30
  6. Step 6: Final answer
    x = 122,581.18

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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.