Home / 264,185.79-396,257.61-74,638.50

Finding the Fourth Proportional to 264,185.79, 396,257.61 and 74,638.50

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Solution

The fourth proportional to 264,185.79, 396,257.61 and 74,638.50 is: 111,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,185.79 : 396,257.61 = 74,638.50 : x
  2. Step 2: Convert to fraction form
    264,185.79/396,257.61 = 74,638.50/x
  3. Step 3: Cross multiply
    264,185.79x = 396,257.61 × 74,638.50
  4. Step 4: Simplify right side
    264,185.79x = 29,576,073,623.99
  5. Step 5: Solve for x
    x = 29,576,073,623.99/264,185.79
  6. Step 6: Final answer
    x = 111,951.80

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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.