Home / 197,940.72-273,157.56-107,297.04

Finding the Fourth Proportional to 197,940.72, 273,157.56 and 107,297.04

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Solution

The fourth proportional to 197,940.72, 273,157.56 and 107,297.04 is: 148,069.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,940.72 : 273,157.56 = 107,297.04 : x
  2. Step 2: Convert to fraction form
    197,940.72/273,157.56 = 107,297.04/x
  3. Step 3: Cross multiply
    197,940.72x = 273,157.56 × 107,297.04
  4. Step 4: Simplify right side
    197,940.72x = 29,308,997,641.62
  5. Step 5: Solve for x
    x = 29,308,997,641.62/197,940.72
  6. Step 6: Final answer
    x = 148,069.57

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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.