Home / 197,978.03-273,211.56-107,333.76

Finding the Fourth Proportional to 197,978.03, 273,211.56 and 107,333.76

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Solution

The fourth proportional to 197,978.03, 273,211.56 and 107,333.76 is: 148,121.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,978.03 : 273,211.56 = 107,333.76 : x
  2. Step 2: Convert to fraction form
    197,978.03/273,211.56 = 107,333.76/x
  3. Step 3: Cross multiply
    197,978.03x = 273,211.56 × 107,333.76
  4. Step 4: Simplify right side
    197,978.03x = 29,324,824,010.27
  5. Step 5: Solve for x
    x = 29,324,824,010.27/197,978.03
  6. Step 6: Final answer
    x = 148,121.61

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1.5x scale

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.