Home / 150,150.24-207,201.24-89,754.24

Finding the Fourth Proportional to 150,150.24, 207,201.24 and 89,754.24

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Solution

The fourth proportional to 150,150.24, 207,201.24 and 89,754.24 is: 123,857.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,150.24 : 207,201.24 = 89,754.24 : x
  2. Step 2: Convert to fraction form
    150,150.24/207,201.24 = 89,754.24/x
  3. Step 3: Cross multiply
    150,150.24x = 207,201.24 × 89,754.24
  4. Step 4: Simplify right side
    150,150.24x = 18,597,189,823.26
  5. Step 5: Solve for x
    x = 18,597,189,823.26/150,150.24
  6. Step 6: Final answer
    x = 123,857.21

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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.