Home / 133,628.03-184,400.63-79,942.64

Finding the Fourth Proportional to 133,628.03, 184,400.63 and 79,942.64

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Solution

The fourth proportional to 133,628.03, 184,400.63 and 79,942.64 is: 110,317.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,628.03 : 184,400.63 = 79,942.64 : x
  2. Step 2: Convert to fraction form
    133,628.03/184,400.63 = 79,942.64/x
  3. Step 3: Cross multiply
    133,628.03x = 184,400.63 × 79,942.64
  4. Step 4: Simplify right side
    133,628.03x = 14,741,473,179.86
  5. Step 5: Solve for x
    x = 14,741,473,179.86/133,628.03
  6. Step 6: Final answer
    x = 110,317.23

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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.