Home / 197,979.93-273,208.95-111,937.48

Finding the Fourth Proportional to 197,979.93, 273,208.95 and 111,937.48

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Solution

The fourth proportional to 197,979.93, 273,208.95 and 111,937.48 is: 154,471.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,979.93 : 273,208.95 = 111,937.48 : x
  2. Step 2: Convert to fraction form
    197,979.93/273,208.95 = 111,937.48/x
  3. Step 3: Cross multiply
    197,979.93x = 273,208.95 × 111,937.48
  4. Step 4: Simplify right side
    197,979.93x = 30,582,320,693.42
  5. Step 5: Solve for x
    x = 30,582,320,693.42/197,979.93
  6. Step 6: Final answer
    x = 154,471.82

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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.