Home / 264,516.45-396,721.61-129,522.36

Finding the Fourth Proportional to 264,516.45, 396,721.61 and 129,522.36

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Solution

The fourth proportional to 264,516.45, 396,721.61 and 129,522.36 is: 194,257.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,516.45 : 396,721.61 = 129,522.36 : x
  2. Step 2: Convert to fraction form
    264,516.45/396,721.61 = 129,522.36/x
  3. Step 3: Cross multiply
    264,516.45x = 396,721.61 × 129,522.36
  4. Step 4: Simplify right side
    264,516.45x = 51,384,319,190.20
  5. Step 5: Solve for x
    x = 51,384,319,190.20/264,516.45
  6. Step 6: Final answer
    x = 194,257.56

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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.