Home / 129,676.48-194,525.60-36,183.36

Finding the Fourth Proportional to 129,676.48, 194,525.60 and 36,183.36

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Solution

The fourth proportional to 129,676.48, 194,525.60 and 36,183.36 is: 54,278.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,676.48 : 194,525.60 = 36,183.36 : x
  2. Step 2: Convert to fraction form
    129,676.48/194,525.60 = 36,183.36/x
  3. Step 3: Cross multiply
    129,676.48x = 194,525.60 × 36,183.36
  4. Step 4: Simplify right side
    129,676.48x = 7,038,589,814.02
  5. Step 5: Solve for x
    x = 7,038,589,814.02/129,676.48
  6. Step 6: Final answer
    x = 54,278.08

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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.