Home / 165,469.38-248,242.95-47,142.42

Finding the Fourth Proportional to 165,469.38, 248,242.95 and 47,142.42

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Solution

The fourth proportional to 165,469.38, 248,242.95 and 47,142.42 is: 70,724.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,469.38 : 248,242.95 = 47,142.42 : x
  2. Step 2: Convert to fraction form
    165,469.38/248,242.95 = 47,142.42/x
  3. Step 3: Cross multiply
    165,469.38x = 248,242.95 × 47,142.42
  4. Step 4: Simplify right side
    165,469.38x = 11,702,773,410.94
  5. Step 5: Solve for x
    x = 11,702,773,410.94/165,469.38
  6. Step 6: Final answer
    x = 70,724.71

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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.