Home / 129,516.17-194,285.19-36,021.92

Finding the Fourth Proportional to 129,516.17, 194,285.19 and 36,021.92

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Solution

The fourth proportional to 129,516.17, 194,285.19 and 36,021.92 is: 54,035.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,516.17 : 194,285.19 = 36,021.92 : x
  2. Step 2: Convert to fraction form
    129,516.17/194,285.19 = 36,021.92/x
  3. Step 3: Cross multiply
    129,516.17x = 194,285.19 × 36,021.92
  4. Step 4: Simplify right side
    129,516.17x = 6,998,525,571.36
  5. Step 5: Solve for x
    x = 6,998,525,571.36/129,516.17
  6. Step 6: Final answer
    x = 54,035.92

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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.