Home / 197,725.20-272,857.40-107,080.43

Finding the Fourth Proportional to 197,725.20, 272,857.40 and 107,080.43

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Solution

The fourth proportional to 197,725.20, 272,857.40 and 107,080.43 is: 147,769.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,725.20 : 272,857.40 = 107,080.43 : x
  2. Step 2: Convert to fraction form
    197,725.20/272,857.40 = 107,080.43/x
  3. Step 3: Cross multiply
    197,725.20x = 272,857.40 × 107,080.43
  4. Step 4: Simplify right side
    197,725.20x = 29,217,687,720.68
  5. Step 5: Solve for x
    x = 29,217,687,720.68/197,725.20
  6. Step 6: Final answer
    x = 147,769.17

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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.