Home / 129,986.63-194,979.43-41,247.06

Finding the Fourth Proportional to 129,986.63, 194,979.43 and 41,247.06

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Solution

The fourth proportional to 129,986.63, 194,979.43 and 41,247.06 is: 61,870.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,986.63 : 194,979.43 = 41,247.06 : x
  2. Step 2: Convert to fraction form
    129,986.63/194,979.43 = 41,247.06/x
  3. Step 3: Cross multiply
    129,986.63x = 194,979.43 × 41,247.06
  4. Step 4: Simplify right side
    129,986.63x = 8,042,327,273.08
  5. Step 5: Solve for x
    x = 8,042,327,273.08/129,986.63
  6. Step 6: Final answer
    x = 61,870.42

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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.