Home / 263,445.39-395,186.58-105,673.86

Finding the Fourth Proportional to 263,445.39, 395,186.58 and 105,673.86

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Solution

The fourth proportional to 263,445.39, 395,186.58 and 105,673.86 is: 158,518.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,445.39 : 395,186.58 = 105,673.86 : x
  2. Step 2: Convert to fraction form
    263,445.39/395,186.58 = 105,673.86/x
  3. Step 3: Cross multiply
    263,445.39x = 395,186.58 × 105,673.86
  4. Step 4: Simplify right side
    263,445.39x = 41,760,891,328.80
  5. Step 5: Solve for x
    x = 41,760,891,328.80/263,445.39
  6. Step 6: Final answer
    x = 158,518.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.