Home / 123,572.36-184,899.26-73,679.60

Finding the Fourth Proportional to 123,572.36, 184,899.26 and 73,679.60

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Solution

The fourth proportional to 123,572.36, 184,899.26 and 73,679.60 is: 110,245.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,572.36 : 184,899.26 = 73,679.60 : x
  2. Step 2: Convert to fraction form
    123,572.36/184,899.26 = 73,679.60/x
  3. Step 3: Cross multiply
    123,572.36x = 184,899.26 × 73,679.60
  4. Step 4: Simplify right side
    123,572.36x = 13,623,303,517.10
  5. Step 5: Solve for x
    x = 13,623,303,517.10/123,572.36
  6. Step 6: Final answer
    x = 110,245.56

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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.