Home / 192,170.21-265,193.90-107,287.27

Finding the Fourth Proportional to 192,170.21, 265,193.90 and 107,287.27

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Solution

The fourth proportional to 192,170.21, 265,193.90 and 107,287.27 is: 148,055.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,170.21 : 265,193.90 = 107,287.27 : x
  2. Step 2: Convert to fraction form
    192,170.21/265,193.90 = 107,287.27/x
  3. Step 3: Cross multiply
    192,170.21x = 265,193.90 × 107,287.27
  4. Step 4: Simplify right side
    192,170.21x = 28,451,928,754.56
  5. Step 5: Solve for x
    x = 28,451,928,754.56/192,170.21
  6. Step 6: Final answer
    x = 148,055.88

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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.