Home / 129,809.20-194,720.89-41,056.09

Finding the Fourth Proportional to 129,809.20, 194,720.89 and 41,056.09

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Solution

The fourth proportional to 129,809.20, 194,720.89 and 41,056.09 is: 61,586.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,809.20 : 194,720.89 = 41,056.09 : x
  2. Step 2: Convert to fraction form
    129,809.20/194,720.89 = 41,056.09/x
  3. Step 3: Cross multiply
    129,809.20x = 194,720.89 × 41,056.09
  4. Step 4: Simplify right side
    129,809.20x = 7,994,478,384.72
  5. Step 5: Solve for x
    x = 7,994,478,384.72/129,809.20
  6. Step 6: Final answer
    x = 61,586.38

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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.