Home / 150,725.08-207,992.97-89,473.89

Finding the Fourth Proportional to 150,725.08, 207,992.97 and 89,473.89

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Solution

The fourth proportional to 150,725.08, 207,992.97 and 89,473.89 is: 123,469.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,725.08 : 207,992.97 = 89,473.89 : x
  2. Step 2: Convert to fraction form
    150,725.08/207,992.97 = 89,473.89/x
  3. Step 3: Cross multiply
    150,725.08x = 207,992.97 × 89,473.89
  4. Step 4: Simplify right side
    150,725.08x = 18,609,940,118.55
  5. Step 5: Solve for x
    x = 18,609,940,118.55/150,725.08
  6. Step 6: Final answer
    x = 123,469.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.