Home / 197,964.68-273,127-111,915.36

Finding the Fourth Proportional to 197,964.68, 273,127 and 111,915.36

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Solution

The fourth proportional to 197,964.68, 273,127 and 111,915.36 is: 154,406.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,964.68 : 273,127 = 111,915.36 : x
  2. Step 2: Convert to fraction form
    197,964.68/273,127 = 111,915.36/x
  3. Step 3: Cross multiply
    197,964.68x = 273,127 × 111,915.36
  4. Step 4: Simplify right side
    197,964.68x = 30,567,106,530.72
  5. Step 5: Solve for x
    x = 30,567,106,530.72/197,964.68
  6. Step 6: Final answer
    x = 154,406.87

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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.