Home / 129,617.36-194,453.16-54,737.72

Finding the Fourth Proportional to 129,617.36, 194,453.16 and 54,737.72

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Solution

The fourth proportional to 129,617.36, 194,453.16 and 54,737.72 is: 82,118.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,617.36 : 194,453.16 = 54,737.72 : x
  2. Step 2: Convert to fraction form
    129,617.36/194,453.16 = 54,737.72/x
  3. Step 3: Cross multiply
    129,617.36x = 194,453.16 × 54,737.72
  4. Step 4: Simplify right side
    129,617.36x = 10,643,922,625.20
  5. Step 5: Solve for x
    x = 10,643,922,625.20/129,617.36
  6. Step 6: Final answer
    x = 82,118.03

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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.