Home / 150,205.92-207,190.83-92,862.78

Finding the Fourth Proportional to 150,205.92, 207,190.83 and 92,862.78

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Solution

The fourth proportional to 150,205.92, 207,190.83 and 92,862.78 is: 128,092.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,205.92 : 207,190.83 = 92,862.78 : x
  2. Step 2: Convert to fraction form
    150,205.92/207,190.83 = 92,862.78/x
  3. Step 3: Cross multiply
    150,205.92x = 207,190.83 × 92,862.78
  4. Step 4: Simplify right side
    150,205.92x = 19,240,316,464.31
  5. Step 5: Solve for x
    x = 19,240,316,464.31/150,205.92
  6. Step 6: Final answer
    x = 128,092.93

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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.