Home / 263,383.05-395,058.35-162,200.38

Finding the Fourth Proportional to 263,383.05, 395,058.35 and 162,200.38

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Solution

The fourth proportional to 263,383.05, 395,058.35 and 162,200.38 is: 243,290.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,383.05 : 395,058.35 = 162,200.38 : x
  2. Step 2: Convert to fraction form
    263,383.05/395,058.35 = 162,200.38/x
  3. Step 3: Cross multiply
    263,383.05x = 395,058.35 × 162,200.38
  4. Step 4: Simplify right side
    263,383.05x = 64,078,614,492.17
  5. Step 5: Solve for x
    x = 64,078,614,492.17/263,383.05
  6. Step 6: Final answer
    x = 243,290.58

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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.