Home / 197,221.56-272,165.70-107,797.56

Finding the Fourth Proportional to 197,221.56, 272,165.70 and 107,797.56

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Solution

The fourth proportional to 197,221.56, 272,165.70 and 107,797.56 is: 148,760.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,221.56 : 272,165.70 = 107,797.56 : x
  2. Step 2: Convert to fraction form
    197,221.56/272,165.70 = 107,797.56/x
  3. Step 3: Cross multiply
    197,221.56x = 272,165.70 × 107,797.56
  4. Step 4: Simplify right side
    197,221.56x = 29,338,798,375.69
  5. Step 5: Solve for x
    x = 29,338,798,375.69/197,221.56
  6. Step 6: Final answer
    x = 148,760.60

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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.