Home / 197,164.34-272,086.91-106,520.25

Finding the Fourth Proportional to 197,164.34, 272,086.91 and 106,520.25

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Solution

The fourth proportional to 197,164.34, 272,086.91 and 106,520.25 is: 146,998.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,164.34 : 272,086.91 = 106,520.25 : x
  2. Step 2: Convert to fraction form
    197,164.34/272,086.91 = 106,520.25/x
  3. Step 3: Cross multiply
    197,164.34x = 272,086.91 × 106,520.25
  4. Step 4: Simplify right side
    197,164.34x = 28,982,765,142.33
  5. Step 5: Solve for x
    x = 28,982,765,142.33/197,164.34
  6. Step 6: Final answer
    x = 146,998.01

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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.