Home / 197,980.44-273,192.54-121,502.76

Finding the Fourth Proportional to 197,980.44, 273,192.54 and 121,502.76

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Solution

The fourth proportional to 197,980.44, 273,192.54 and 121,502.76 is: 167,661.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,980.44 : 273,192.54 = 121,502.76 : x
  2. Step 2: Convert to fraction form
    197,980.44/273,192.54 = 121,502.76/x
  3. Step 3: Cross multiply
    197,980.44x = 273,192.54 × 121,502.76
  4. Step 4: Simplify right side
    197,980.44x = 33,193,647,621.41
  5. Step 5: Solve for x
    x = 33,193,647,621.41/197,980.44
  6. Step 6: Final answer
    x = 167,661.25

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1.5x scale

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.