Home / 197,270.74-272,250.21-120,789.46

Finding the Fourth Proportional to 197,270.74, 272,250.21 and 120,789.46

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Solution

The fourth proportional to 197,270.74, 272,250.21 and 120,789.46 is: 166,699.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,270.74 : 272,250.21 = 120,789.46 : x
  2. Step 2: Convert to fraction form
    197,270.74/272,250.21 = 120,789.46/x
  3. Step 3: Cross multiply
    197,270.74x = 272,250.21 × 120,789.46
  4. Step 4: Simplify right side
    197,270.74x = 32,884,955,850.79
  5. Step 5: Solve for x
    x = 32,884,955,850.79/197,270.74
  6. Step 6: Final answer
    x = 166,699.61

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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.