Home / 133,558.25-184,310.30-73,128.85

Finding the Fourth Proportional to 133,558.25, 184,310.30 and 73,128.85

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Solution

The fourth proportional to 133,558.25, 184,310.30 and 73,128.85 is: 100,917.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,558.25 : 184,310.30 = 73,128.85 : x
  2. Step 2: Convert to fraction form
    133,558.25/184,310.30 = 73,128.85/x
  3. Step 3: Cross multiply
    133,558.25x = 184,310.30 × 73,128.85
  4. Step 4: Simplify right side
    133,558.25x = 13,478,400,004.20
  5. Step 5: Solve for x
    x = 13,478,400,004.20/133,558.25
  6. Step 6: Final answer
    x = 100,917.77

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1.5x scale

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.