Home / 197,690.97-272,813.15-107,046.65

Finding the Fourth Proportional to 197,690.97, 272,813.15 and 107,046.65

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Solution

The fourth proportional to 197,690.97, 272,813.15 and 107,046.65 is: 147,724.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,690.97 : 272,813.15 = 107,046.65 : x
  2. Step 2: Convert to fraction form
    197,690.97/272,813.15 = 107,046.65/x
  3. Step 3: Cross multiply
    197,690.97x = 272,813.15 × 107,046.65
  4. Step 4: Simplify right side
    197,690.97x = 29,203,733,783.45
  5. Step 5: Solve for x
    x = 29,203,733,783.45/197,690.97
  6. Step 6: Final answer
    x = 147,724.17

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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.