Home / 197,121.64-272,027.97-106,477.60

Finding the Fourth Proportional to 197,121.64, 272,027.97 and 106,477.60

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Solution

The fourth proportional to 197,121.64, 272,027.97 and 106,477.60 is: 146,939.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,121.64 : 272,027.97 = 106,477.60 : x
  2. Step 2: Convert to fraction form
    197,121.64/272,027.97 = 106,477.60/x
  3. Step 3: Cross multiply
    197,121.64x = 272,027.97 × 106,477.60
  4. Step 4: Simplify right side
    197,121.64x = 28,964,886,173.36
  5. Step 5: Solve for x
    x = 28,964,886,173.36/197,121.64
  6. Step 6: Final answer
    x = 146,939.15

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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.