Home / 315,196.20-473,960.70-263,874.60

Finding the Fourth Proportional to 315,196.20, 473,960.70 and 263,874.60

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Solution

The fourth proportional to 315,196.20, 473,960.70 and 263,874.60 is: 396,788.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,196.20 : 473,960.70 = 263,874.60 : x
  2. Step 2: Convert to fraction form
    315,196.20/473,960.70 = 263,874.60/x
  3. Step 3: Cross multiply
    315,196.20x = 473,960.70 × 263,874.60
  4. Step 4: Simplify right side
    315,196.20x = 125,066,190,128.22
  5. Step 5: Solve for x
    x = 125,066,190,128.22/315,196.20
  6. Step 6: Final answer
    x = 396,788.38

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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.