Home / 198,000.16-273,238.54-111,976.03

Finding the Fourth Proportional to 198,000.16, 273,238.54 and 111,976.03

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Solution

The fourth proportional to 198,000.16, 273,238.54 and 111,976.03 is: 154,525.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,000.16 : 273,238.54 = 111,976.03 : x
  2. Step 2: Convert to fraction form
    198,000.16/273,238.54 = 111,976.03/x
  3. Step 3: Cross multiply
    198,000.16x = 273,238.54 × 111,976.03
  4. Step 4: Simplify right side
    198,000.16x = 30,596,167,013.80
  5. Step 5: Solve for x
    x = 30,596,167,013.80/198,000.16
  6. Step 6: Final answer
    x = 154,525.97

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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.