Home / 165,467.38-248,239.95-47,140.42

Finding the Fourth Proportional to 165,467.38, 248,239.95 and 47,140.42

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Solution

The fourth proportional to 165,467.38, 248,239.95 and 47,140.42 is: 70,721.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,467.38 : 248,239.95 = 47,140.42 : x
  2. Step 2: Convert to fraction form
    165,467.38/248,239.95 = 47,140.42/x
  3. Step 3: Cross multiply
    165,467.38x = 248,239.95 × 47,140.42
  4. Step 4: Simplify right side
    165,467.38x = 11,702,135,503.78
  5. Step 5: Solve for x
    x = 11,702,135,503.78/165,467.38
  6. Step 6: Final answer
    x = 70,721.71

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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.