Home / 149,178.24-205,847.73-88,751.43

Finding the Fourth Proportional to 149,178.24, 205,847.73 and 88,751.43

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Solution

The fourth proportional to 149,178.24, 205,847.73 and 88,751.43 is: 122,466.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,178.24 : 205,847.73 = 88,751.43 : x
  2. Step 2: Convert to fraction form
    149,178.24/205,847.73 = 88,751.43/x
  3. Step 3: Cross multiply
    149,178.24x = 205,847.73 × 88,751.43
  4. Step 4: Simplify right side
    149,178.24x = 18,269,280,399.75
  5. Step 5: Solve for x
    x = 18,269,280,399.75/149,178.24
  6. Step 6: Final answer
    x = 122,466.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.