Home / 150,205.28-207,269.24-89,763.92

Finding the Fourth Proportional to 150,205.28, 207,269.24 and 89,763.92

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Solution

The fourth proportional to 150,205.28, 207,269.24 and 89,763.92 is: 123,865.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,205.28 : 207,269.24 = 89,763.92 : x
  2. Step 2: Convert to fraction form
    150,205.28/207,269.24 = 89,763.92/x
  3. Step 3: Cross multiply
    150,205.28x = 207,269.24 × 89,763.92
  4. Step 4: Simplify right side
    150,205.28x = 18,605,299,477.82
  5. Step 5: Solve for x
    x = 18,605,299,477.82/150,205.28
  6. Step 6: Final answer
    x = 123,865.82

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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.