Home / 136,245.35-187,912.07-88,514.08

Finding the Fourth Proportional to 136,245.35, 187,912.07 and 88,514.08

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Solution

The fourth proportional to 136,245.35, 187,912.07 and 88,514.08 is: 122,080.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,245.35 : 187,912.07 = 88,514.08 : x
  2. Step 2: Convert to fraction form
    136,245.35/187,912.07 = 88,514.08/x
  3. Step 3: Cross multiply
    136,245.35x = 187,912.07 × 88,514.08
  4. Step 4: Simplify right side
    136,245.35x = 16,632,863,748.45
  5. Step 5: Solve for x
    x = 16,632,863,748.45/136,245.35
  6. Step 6: Final answer
    x = 122,080.23

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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.