Home / 133,740.45-184,580.72-82,769.58

Finding the Fourth Proportional to 133,740.45, 184,580.72 and 82,769.58

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Solution

The fourth proportional to 133,740.45, 184,580.72 and 82,769.58 is: 114,233.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,740.45 : 184,580.72 = 82,769.58 : x
  2. Step 2: Convert to fraction form
    133,740.45/184,580.72 = 82,769.58/x
  3. Step 3: Cross multiply
    133,740.45x = 184,580.72 × 82,769.58
  4. Step 4: Simplify right side
    133,740.45x = 15,277,668,256.65
  5. Step 5: Solve for x
    x = 15,277,668,256.65/133,740.45
  6. Step 6: Final answer
    x = 114,233.71

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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.