Home / 197,581.44-272,087.92-171,728.64

Finding the Fourth Proportional to 197,581.44, 272,087.92 and 171,728.64

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Solution

The fourth proportional to 197,581.44, 272,087.92 and 171,728.64 is: 236,486.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,581.44 : 272,087.92 = 171,728.64 : x
  2. Step 2: Convert to fraction form
    197,581.44/272,087.92 = 171,728.64/x
  3. Step 3: Cross multiply
    197,581.44x = 272,087.92 × 171,728.64
  4. Step 4: Simplify right side
    197,581.44x = 46,725,288,462.03
  5. Step 5: Solve for x
    x = 46,725,288,462.03/197,581.44
  6. Step 6: Final answer
    x = 236,486.22

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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.