Home / 170,738.40-255,524.40-149,743.20

Finding the Fourth Proportional to 170,738.40, 255,524.40 and 149,743.20

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Solution

The fourth proportional to 170,738.40, 255,524.40 and 149,743.20 is: 224,103.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,738.40 : 255,524.40 = 149,743.20 : x
  2. Step 2: Convert to fraction form
    170,738.40/255,524.40 = 149,743.20/x
  3. Step 3: Cross multiply
    170,738.40x = 255,524.40 × 149,743.20
  4. Step 4: Simplify right side
    170,738.40x = 38,263,041,334.08
  5. Step 5: Solve for x
    x = 38,263,041,334.08/170,738.40
  6. Step 6: Final answer
    x = 224,103.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.