Home / 197,230.49-272,156.43-120,768.87

Finding the Fourth Proportional to 197,230.49, 272,156.43 and 120,768.87

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Solution

The fourth proportional to 197,230.49, 272,156.43 and 120,768.87 is: 166,647.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,230.49 : 272,156.43 = 120,768.87 : x
  2. Step 2: Convert to fraction form
    197,230.49/272,156.43 = 120,768.87/x
  3. Step 3: Cross multiply
    197,230.49x = 272,156.43 × 120,768.87
  4. Step 4: Simplify right side
    197,230.49x = 32,868,025,648.14
  5. Step 5: Solve for x
    x = 32,868,025,648.14/197,230.49
  6. Step 6: Final answer
    x = 166,647.79

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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.