Home / 103,165.38-154,696.23-47,800.26

Finding the Fourth Proportional to 103,165.38, 154,696.23 and 47,800.26

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Solution

The fourth proportional to 103,165.38, 154,696.23 and 47,800.26 is: 71,676.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,165.38 : 154,696.23 = 47,800.26 : x
  2. Step 2: Convert to fraction form
    103,165.38/154,696.23 = 47,800.26/x
  3. Step 3: Cross multiply
    103,165.38x = 154,696.23 × 47,800.26
  4. Step 4: Simplify right side
    103,165.38x = 7,394,520,015.02
  5. Step 5: Solve for x
    x = 7,394,520,015.02/103,165.38
  6. Step 6: Final answer
    x = 71,676.37

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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.