Home / 264,645.34-396,983.22-75,090.87

Finding the Fourth Proportional to 264,645.34, 396,983.22 and 75,090.87

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Solution

The fourth proportional to 264,645.34, 396,983.22 and 75,090.87 is: 112,640.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,645.34 : 396,983.22 = 75,090.87 : x
  2. Step 2: Convert to fraction form
    264,645.34/396,983.22 = 75,090.87/x
  3. Step 3: Cross multiply
    264,645.34x = 396,983.22 × 75,090.87
  4. Step 4: Simplify right side
    264,645.34x = 29,809,815,083.61
  5. Step 5: Solve for x
    x = 29,809,815,083.61/264,645.34
  6. Step 6: Final answer
    x = 112,640.62

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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.