Home / 129,865.32-194,772.06-41,103.72

Finding the Fourth Proportional to 129,865.32, 194,772.06 and 41,103.72

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Solution

The fourth proportional to 129,865.32, 194,772.06 and 41,103.72 is: 61,647.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,865.32 : 194,772.06 = 41,103.72 : x
  2. Step 2: Convert to fraction form
    129,865.32/194,772.06 = 41,103.72/x
  3. Step 3: Cross multiply
    129,865.32x = 194,772.06 × 41,103.72
  4. Step 4: Simplify right side
    129,865.32x = 8,005,856,218.06
  5. Step 5: Solve for x
    x = 8,005,856,218.06/129,865.32
  6. Step 6: Final answer
    x = 61,647.38

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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.