Home / 198,255.51-273,588.26-107,611.65

Finding the Fourth Proportional to 198,255.51, 273,588.26 and 107,611.65

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Solution

The fourth proportional to 198,255.51, 273,588.26 and 107,611.65 is: 148,501.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,255.51 : 273,588.26 = 107,611.65 : x
  2. Step 2: Convert to fraction form
    198,255.51/273,588.26 = 107,611.65/x
  3. Step 3: Cross multiply
    198,255.51x = 273,588.26 × 107,611.65
  4. Step 4: Simplify right side
    198,255.51x = 29,441,284,079.23
  5. Step 5: Solve for x
    x = 29,441,284,079.23/198,255.51
  6. Step 6: Final answer
    x = 148,501.72

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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.