Home / 133,738.57-184,578.13-82,767.72

Finding the Fourth Proportional to 133,738.57, 184,578.13 and 82,767.72

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Solution

The fourth proportional to 133,738.57, 184,578.13 and 82,767.72 is: 114,231.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,738.57 : 184,578.13 = 82,767.72 : x
  2. Step 2: Convert to fraction form
    133,738.57/184,578.13 = 82,767.72/x
  3. Step 3: Cross multiply
    133,738.57x = 184,578.13 × 82,767.72
  4. Step 4: Simplify right side
    133,738.57x = 15,277,110,981.96
  5. Step 5: Solve for x
    x = 15,277,110,981.96/133,738.57
  6. Step 6: Final answer
    x = 114,231.15

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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.