Home / 197,971.94-273,197.90-111,929.48

Finding the Fourth Proportional to 197,971.94, 273,197.90 and 111,929.48

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Solution

The fourth proportional to 197,971.94, 273,197.90 and 111,929.48 is: 154,460.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,971.94 : 273,197.90 = 111,929.48 : x
  2. Step 2: Convert to fraction form
    197,971.94/273,197.90 = 111,929.48/x
  3. Step 3: Cross multiply
    197,971.94x = 273,197.90 × 111,929.48
  4. Step 4: Simplify right side
    197,971.94x = 30,578,898,884.09
  5. Step 5: Solve for x
    x = 30,578,898,884.09/197,971.94
  6. Step 6: Final answer
    x = 154,460.77

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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.