Home / 149,616.36-206,229.38-101,200.63

Finding the Fourth Proportional to 149,616.36, 206,229.38 and 101,200.63

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Solution

The fourth proportional to 149,616.36, 206,229.38 and 101,200.63 is: 139,493.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,616.36 : 206,229.38 = 101,200.63 : x
  2. Step 2: Convert to fraction form
    149,616.36/206,229.38 = 101,200.63/x
  3. Step 3: Cross multiply
    149,616.36x = 206,229.38 × 101,200.63
  4. Step 4: Simplify right side
    149,616.36x = 20,870,543,180.51
  5. Step 5: Solve for x
    x = 20,870,543,180.51/149,616.36
  6. Step 6: Final answer
    x = 139,493.72

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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.