Home / 133,999.04-184,912.44-80,313.68

Finding the Fourth Proportional to 133,999.04, 184,912.44 and 80,313.68

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Solution

The fourth proportional to 133,999.04, 184,912.44 and 80,313.68 is: 110,829.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,999.04 : 184,912.44 = 80,313.68 : x
  2. Step 2: Convert to fraction form
    133,999.04/184,912.44 = 80,313.68/x
  3. Step 3: Cross multiply
    133,999.04x = 184,912.44 × 80,313.68
  4. Step 4: Simplify right side
    133,999.04x = 14,850,998,534.18
  5. Step 5: Solve for x
    x = 14,850,998,534.18/133,999.04
  6. Step 6: Final answer
    x = 110,829.14

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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.