Home / 133,921.28-184,795.44-79,464.80

Finding the Fourth Proportional to 133,921.28, 184,795.44 and 79,464.80

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Solution

The fourth proportional to 133,921.28, 184,795.44 and 79,464.80 is: 109,651.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,921.28 : 184,795.44 = 79,464.80 : x
  2. Step 2: Convert to fraction form
    133,921.28/184,795.44 = 79,464.80/x
  3. Step 3: Cross multiply
    133,921.28x = 184,795.44 × 79,464.80
  4. Step 4: Simplify right side
    133,921.28x = 14,684,732,680.51
  5. Step 5: Solve for x
    x = 14,684,732,680.51/133,921.28
  6. Step 6: Final answer
    x = 109,651.97

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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.