Home / 165,471.08-248,165.60-47,143.44

Finding the Fourth Proportional to 165,471.08, 248,165.60 and 47,143.44

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Solution

The fourth proportional to 165,471.08, 248,165.60 and 47,143.44 is: 70,703.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,471.08 : 248,165.60 = 47,143.44 : x
  2. Step 2: Convert to fraction form
    165,471.08/248,165.60 = 47,143.44/x
  3. Step 3: Cross multiply
    165,471.08x = 248,165.60 × 47,143.44
  4. Step 4: Simplify right side
    165,471.08x = 11,699,379,837.95
  5. Step 5: Solve for x
    x = 11,699,379,837.95/165,471.08
  6. Step 6: Final answer
    x = 70,703.47

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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.