Home / 197,202.52-272,139.44-107,778.52

Finding the Fourth Proportional to 197,202.52, 272,139.44 and 107,778.52

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Solution

The fourth proportional to 197,202.52, 272,139.44 and 107,778.52 is: 148,734.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,202.52 : 272,139.44 = 107,778.52 : x
  2. Step 2: Convert to fraction form
    197,202.52/272,139.44 = 107,778.52/x
  3. Step 3: Cross multiply
    197,202.52x = 272,139.44 × 107,778.52
  4. Step 4: Simplify right side
    197,202.52x = 29,330,786,076.83
  5. Step 5: Solve for x
    x = 29,330,786,076.83/197,202.52
  6. Step 6: Final answer
    x = 148,734.34

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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.