Home / 133,850.88-184,705.92-80,140.32

Finding the Fourth Proportional to 133,850.88, 184,705.92 and 80,140.32

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Solution

The fourth proportional to 133,850.88, 184,705.92 and 80,140.32 is: 110,588.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,850.88 : 184,705.92 = 80,140.32 : x
  2. Step 2: Convert to fraction form
    133,850.88/184,705.92 = 80,140.32/x
  3. Step 3: Cross multiply
    133,850.88x = 184,705.92 × 80,140.32
  4. Step 4: Simplify right side
    133,850.88x = 14,802,391,534.69
  5. Step 5: Solve for x
    x = 14,802,391,534.69/133,850.88
  6. Step 6: Final answer
    x = 110,588.68

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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.