Home / 149,077.61-223,618.23-82,647.48

Finding the Fourth Proportional to 149,077.61, 223,618.23 and 82,647.48

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Solution

The fourth proportional to 149,077.61, 223,618.23 and 82,647.48 is: 123,972.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,077.61 : 223,618.23 = 82,647.48 : x
  2. Step 2: Convert to fraction form
    149,077.61/223,618.23 = 82,647.48/x
  3. Step 3: Cross multiply
    149,077.61x = 223,618.23 × 82,647.48
  4. Step 4: Simplify right side
    149,077.61x = 18,481,483,191.56
  5. Step 5: Solve for x
    x = 18,481,483,191.56/149,077.61
  6. Step 6: Final answer
    x = 123,972.23

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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.