Home / 197,970.57-273,135.18-111,921.24

Finding the Fourth Proportional to 197,970.57, 273,135.18 and 111,921.24

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Solution

The fourth proportional to 197,970.57, 273,135.18 and 111,921.24 is: 154,415.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,970.57 : 273,135.18 = 111,921.24 : x
  2. Step 2: Convert to fraction form
    197,970.57/273,135.18 = 111,921.24/x
  3. Step 3: Cross multiply
    197,970.57x = 273,135.18 × 111,921.24
  4. Step 4: Simplify right side
    197,970.57x = 30,569,628,033.22
  5. Step 5: Solve for x
    x = 30,569,628,033.22/197,970.57
  6. Step 6: Final answer
    x = 154,415.01

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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.