Home / 196,821.24-271,603.37-111,936.48

Finding the Fourth Proportional to 196,821.24, 271,603.37 and 111,936.48

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Solution

The fourth proportional to 196,821.24, 271,603.37 and 111,936.48 is: 154,466.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,821.24 : 271,603.37 = 111,936.48 : x
  2. Step 2: Convert to fraction form
    196,821.24/271,603.37 = 111,936.48/x
  3. Step 3: Cross multiply
    196,821.24x = 271,603.37 × 111,936.48
  4. Step 4: Simplify right side
    196,821.24x = 30,402,324,634.26
  5. Step 5: Solve for x
    x = 30,402,324,634.26/196,821.24
  6. Step 6: Final answer
    x = 154,466.69

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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.