Home / 188,381.34-259,770.66-131,085.54

Finding the Fourth Proportional to 188,381.34, 259,770.66 and 131,085.54

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Solution

The fourth proportional to 188,381.34, 259,770.66 and 131,085.54 is: 180,761.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,381.34 : 259,770.66 = 131,085.54 : x
  2. Step 2: Convert to fraction form
    188,381.34/259,770.66 = 131,085.54/x
  3. Step 3: Cross multiply
    188,381.34x = 259,770.66 × 131,085.54
  4. Step 4: Simplify right side
    188,381.34x = 34,052,177,242.26
  5. Step 5: Solve for x
    x = 34,052,177,242.26/188,381.34
  6. Step 6: Final answer
    x = 180,761.94

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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.