Home / 129,942.85-194,921.18-41,203.35

Finding the Fourth Proportional to 129,942.85, 194,921.18 and 41,203.35

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Solution

The fourth proportional to 129,942.85, 194,921.18 and 41,203.35 is: 61,807.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,942.85 : 194,921.18 = 41,203.35 : x
  2. Step 2: Convert to fraction form
    129,942.85/194,921.18 = 41,203.35/x
  3. Step 3: Cross multiply
    129,942.85x = 194,921.18 × 41,203.35
  4. Step 4: Simplify right side
    129,942.85x = 8,031,405,782.22
  5. Step 5: Solve for x
    x = 8,031,405,782.22/129,942.85
  6. Step 6: Final answer
    x = 61,807.22

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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.