Home / 123,633.36-184,990.50-73,740.60

Finding the Fourth Proportional to 123,633.36, 184,990.50 and 73,740.60

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Solution

The fourth proportional to 123,633.36, 184,990.50 and 73,740.60 is: 110,336.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,633.36 : 184,990.50 = 73,740.60 : x
  2. Step 2: Convert to fraction form
    123,633.36/184,990.50 = 73,740.60/x
  3. Step 3: Cross multiply
    123,633.36x = 184,990.50 × 73,740.60
  4. Step 4: Simplify right side
    123,633.36x = 13,641,310,464.30
  5. Step 5: Solve for x
    x = 13,641,310,464.30/123,633.36
  6. Step 6: Final answer
    x = 110,336.81

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1.5x scale

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.