Home / 129,905.06-194,863.26-41,165.11

Finding the Fourth Proportional to 129,905.06, 194,863.26 and 41,165.11

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Solution

The fourth proportional to 129,905.06, 194,863.26 and 41,165.11 is: 61,749.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,905.06 : 194,863.26 = 41,165.11 : x
  2. Step 2: Convert to fraction form
    129,905.06/194,863.26 = 41,165.11/x
  3. Step 3: Cross multiply
    129,905.06x = 194,863.26 × 41,165.11
  4. Step 4: Simplify right side
    129,905.06x = 8,021,567,532.86
  5. Step 5: Solve for x
    x = 8,021,567,532.86/129,905.06
  6. Step 6: Final answer
    x = 61,749.46

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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.