Home / 194,515.72-291,789.90-54,276.04

Finding the Fourth Proportional to 194,515.72, 291,789.90 and 54,276.04

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Solution

The fourth proportional to 194,515.72, 291,789.90 and 54,276.04 is: 81,418.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,515.72 : 291,789.90 = 54,276.04 : x
  2. Step 2: Convert to fraction form
    194,515.72/291,789.90 = 54,276.04/x
  3. Step 3: Cross multiply
    194,515.72x = 291,789.90 × 54,276.04
  4. Step 4: Simplify right side
    194,515.72x = 15,837,200,284.00
  5. Step 5: Solve for x
    x = 15,837,200,284.00/194,515.72
  6. Step 6: Final answer
    x = 81,418.61

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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.