Home / 129,983.76-194,999.88-41,213.40

Finding the Fourth Proportional to 129,983.76, 194,999.88 and 41,213.40

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Solution

The fourth proportional to 129,983.76, 194,999.88 and 41,213.40 is: 61,827.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,983.76 : 194,999.88 = 41,213.40 : x
  2. Step 2: Convert to fraction form
    129,983.76/194,999.88 = 41,213.40/x
  3. Step 3: Cross multiply
    129,983.76x = 194,999.88 × 41,213.40
  4. Step 4: Simplify right side
    129,983.76x = 8,036,608,054.39
  5. Step 5: Solve for x
    x = 8,036,608,054.39/129,983.76
  6. Step 6: Final answer
    x = 61,827.79

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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.