Home / 197,651.91-272,759.75-107,007.90

Finding the Fourth Proportional to 197,651.91, 272,759.75 and 107,007.90

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Solution

The fourth proportional to 197,651.91, 272,759.75 and 107,007.90 is: 147,670.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,651.91 : 272,759.75 = 107,007.90 : x
  2. Step 2: Convert to fraction form
    197,651.91/272,759.75 = 107,007.90/x
  3. Step 3: Cross multiply
    197,651.91x = 272,759.75 × 107,007.90
  4. Step 4: Simplify right side
    197,651.91x = 29,187,449,031.61
  5. Step 5: Solve for x
    x = 29,187,449,031.61/197,651.91
  6. Step 6: Final answer
    x = 147,670.97

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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.