Home / 149,163.79-223,738.38-55,662.25

Finding the Fourth Proportional to 149,163.79, 223,738.38 and 55,662.25

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Solution

The fourth proportional to 149,163.79, 223,738.38 and 55,662.25 is: 83,490.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,163.79 : 223,738.38 = 55,662.25 : x
  2. Step 2: Convert to fraction form
    149,163.79/223,738.38 = 55,662.25/x
  3. Step 3: Cross multiply
    149,163.79x = 223,738.38 × 55,662.25
  4. Step 4: Simplify right side
    149,163.79x = 12,453,781,642.16
  5. Step 5: Solve for x
    x = 12,453,781,642.16/149,163.79
  6. Step 6: Final answer
    x = 83,490.65

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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.