Home / 197,221.06-272,165.01-107,797.06

Finding the Fourth Proportional to 197,221.06, 272,165.01 and 107,797.06

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Solution

The fourth proportional to 197,221.06, 272,165.01 and 107,797.06 is: 148,759.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,221.06 : 272,165.01 = 107,797.06 : x
  2. Step 2: Convert to fraction form
    197,221.06/272,165.01 = 107,797.06/x
  3. Step 3: Cross multiply
    197,221.06x = 272,165.01 × 107,797.06
  4. Step 4: Simplify right side
    197,221.06x = 29,338,587,912.87
  5. Step 5: Solve for x
    x = 29,338,587,912.87/197,221.06
  6. Step 6: Final answer
    x = 148,759.91

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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.