Home / 170,238.46-255,348.09-75,441.34

Finding the Fourth Proportional to 170,238.46, 255,348.09 and 75,441.34

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Solution

The fourth proportional to 170,238.46, 255,348.09 and 75,441.34 is: 113,157.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,238.46 : 255,348.09 = 75,441.34 : x
  2. Step 2: Convert to fraction form
    170,238.46/255,348.09 = 75,441.34/x
  3. Step 3: Cross multiply
    170,238.46x = 255,348.09 × 75,441.34
  4. Step 4: Simplify right side
    170,238.46x = 19,263,802,076.04
  5. Step 5: Solve for x
    x = 19,263,802,076.04/170,238.46
  6. Step 6: Final answer
    x = 113,157.76

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1.5x scale

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.