Home / 133,918.32-184,799.70-80,191.02

Finding the Fourth Proportional to 133,918.32, 184,799.70 and 80,191.02

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Solution

The fourth proportional to 133,918.32, 184,799.70 and 80,191.02 is: 110,659.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,918.32 : 184,799.70 = 80,191.02 : x
  2. Step 2: Convert to fraction form
    133,918.32/184,799.70 = 80,191.02/x
  3. Step 3: Cross multiply
    133,918.32x = 184,799.70 × 80,191.02
  4. Step 4: Simplify right side
    133,918.32x = 14,819,276,438.69
  5. Step 5: Solve for x
    x = 14,819,276,438.69/133,918.32
  6. Step 6: Final answer
    x = 110,659.07

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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.