Home / 177,042.93-244,311.60-100,561.78

Finding the Fourth Proportional to 177,042.93, 244,311.60 and 100,561.78

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Solution

The fourth proportional to 177,042.93, 244,311.60 and 100,561.78 is: 138,770.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,042.93 : 244,311.60 = 100,561.78 : x
  2. Step 2: Convert to fraction form
    177,042.93/244,311.60 = 100,561.78/x
  3. Step 3: Cross multiply
    177,042.93x = 244,311.60 × 100,561.78
  4. Step 4: Simplify right side
    177,042.93x = 24,568,409,370.65
  5. Step 5: Solve for x
    x = 24,568,409,370.65/177,042.93
  6. Step 6: Final answer
    x = 138,770.91

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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.