Home / 133,906.95-184,778.14-80,190.59

Finding the Fourth Proportional to 133,906.95, 184,778.14 and 80,190.59

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Solution

The fourth proportional to 133,906.95, 184,778.14 and 80,190.59 is: 110,654.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,906.95 : 184,778.14 = 80,190.59 : x
  2. Step 2: Convert to fraction form
    133,906.95/184,778.14 = 80,190.59/x
  3. Step 3: Cross multiply
    133,906.95x = 184,778.14 × 80,190.59
  4. Step 4: Simplify right side
    133,906.95x = 14,817,467,403.28
  5. Step 5: Solve for x
    x = 14,817,467,403.28/133,906.95
  6. Step 6: Final answer
    x = 110,654.95

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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.