Home / 129,943.23-194,921.75-41,203.73

Finding the Fourth Proportional to 129,943.23, 194,921.75 and 41,203.73

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Solution

The fourth proportional to 129,943.23, 194,921.75 and 41,203.73 is: 61,807.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,943.23 : 194,921.75 = 41,203.73 : x
  2. Step 2: Convert to fraction form
    129,943.23/194,921.75 = 41,203.73/x
  3. Step 3: Cross multiply
    129,943.23x = 194,921.75 × 41,203.73
  4. Step 4: Simplify right side
    129,943.23x = 8,031,502,132.01
  5. Step 5: Solve for x
    x = 8,031,502,132.01/129,943.23
  6. Step 6: Final answer
    x = 61,807.78

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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.