Home / 123,007.08-184,568.90-73,185.60

Finding the Fourth Proportional to 123,007.08, 184,568.90 and 73,185.60

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Solution

The fourth proportional to 123,007.08, 184,568.90 and 73,185.60 is: 109,813.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,007.08 : 184,568.90 = 73,185.60 : x
  2. Step 2: Convert to fraction form
    123,007.08/184,568.90 = 73,185.60/x
  3. Step 3: Cross multiply
    123,007.08x = 184,568.90 × 73,185.60
  4. Step 4: Simplify right side
    123,007.08x = 13,507,785,687.84
  5. Step 5: Solve for x
    x = 13,507,785,687.84/123,007.08
  6. Step 6: Final answer
    x = 109,813.07

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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.