Home / 170,380.20-234,906.33-139,640.16

Finding the Fourth Proportional to 170,380.20, 234,906.33 and 139,640.16

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Solution

The fourth proportional to 170,380.20, 234,906.33 and 139,640.16 is: 192,524.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,380.20 : 234,906.33 = 139,640.16 : x
  2. Step 2: Convert to fraction form
    170,380.20/234,906.33 = 139,640.16/x
  3. Step 3: Cross multiply
    170,380.20x = 234,906.33 × 139,640.16
  4. Step 4: Simplify right side
    170,380.20x = 32,802,357,506.21
  5. Step 5: Solve for x
    x = 32,802,357,506.21/170,380.20
  6. Step 6: Final answer
    x = 192,524.47

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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.