Home / 197,161.43-272,084.49-111,103.92

Finding the Fourth Proportional to 197,161.43, 272,084.49 and 111,103.92

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Solution

The fourth proportional to 197,161.43, 272,084.49 and 111,103.92 is: 153,324.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,161.43 : 272,084.49 = 111,103.92 : x
  2. Step 2: Convert to fraction form
    197,161.43/272,084.49 = 111,103.92/x
  3. Step 3: Cross multiply
    197,161.43x = 272,084.49 × 111,103.92
  4. Step 4: Simplify right side
    197,161.43x = 30,229,653,410.20
  5. Step 5: Solve for x
    x = 30,229,653,410.20/197,161.43
  6. Step 6: Final answer
    x = 153,324.38

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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.