Home / 197,976.16-273,206.95-107,335

Finding the Fourth Proportional to 197,976.16, 273,206.95 and 107,335

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Solution

The fourth proportional to 197,976.16, 273,206.95 and 107,335 is: 148,122.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,976.16 : 273,206.95 = 107,335 : x
  2. Step 2: Convert to fraction form
    197,976.16/273,206.95 = 107,335/x
  3. Step 3: Cross multiply
    197,976.16x = 273,206.95 × 107,335
  4. Step 4: Simplify right side
    197,976.16x = 29,324,667,978.25
  5. Step 5: Solve for x
    x = 29,324,667,978.25/197,976.16
  6. Step 6: Final answer
    x = 148,122.22

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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.