Home / 198,257.12-273,588.72-107,608.80

Finding the Fourth Proportional to 198,257.12, 273,588.72 and 107,608.80

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Solution

The fourth proportional to 198,257.12, 273,588.72 and 107,608.80 is: 148,496.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,257.12 : 273,588.72 = 107,608.80 : x
  2. Step 2: Convert to fraction form
    198,257.12/273,588.72 = 107,608.80/x
  3. Step 3: Cross multiply
    198,257.12x = 273,588.72 × 107,608.80
  4. Step 4: Simplify right side
    198,257.12x = 29,440,553,852.74
  5. Step 5: Solve for x
    x = 29,440,553,852.74/198,257.12
  6. Step 6: Final answer
    x = 148,496.83

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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.