Home / 149,847.86-206,794.10-89,453.55

Finding the Fourth Proportional to 149,847.86, 206,794.10 and 89,453.55

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Solution

The fourth proportional to 149,847.86, 206,794.10 and 89,453.55 is: 123,448.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,847.86 : 206,794.10 = 89,453.55 : x
  2. Step 2: Convert to fraction form
    149,847.86/206,794.10 = 89,453.55/x
  3. Step 3: Cross multiply
    149,847.86x = 206,794.10 × 89,453.55
  4. Step 4: Simplify right side
    149,847.86x = 18,498,466,587.69
  5. Step 5: Solve for x
    x = 18,498,466,587.69/149,847.86
  6. Step 6: Final answer
    x = 123,448.32

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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.