Home / 123,009.08-184,571.90-73,187.60

Finding the Fourth Proportional to 123,009.08, 184,571.90 and 73,187.60

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Solution

The fourth proportional to 123,009.08, 184,571.90 and 73,187.60 is: 109,816.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,009.08 : 184,571.90 = 73,187.60 : x
  2. Step 2: Convert to fraction form
    123,009.08/184,571.90 = 73,187.60/x
  3. Step 3: Cross multiply
    123,009.08x = 184,571.90 × 73,187.60
  4. Step 4: Simplify right side
    123,009.08x = 13,508,374,388.44
  5. Step 5: Solve for x
    x = 13,508,374,388.44/123,009.08
  6. Step 6: Final answer
    x = 109,816.08

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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.