Home / 133,391.44-184,085.29-76,039.79

Finding the Fourth Proportional to 133,391.44, 184,085.29 and 76,039.79

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Solution

The fourth proportional to 133,391.44, 184,085.29 and 76,039.79 is: 104,937.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,391.44 : 184,085.29 = 76,039.79 : x
  2. Step 2: Convert to fraction form
    133,391.44/184,085.29 = 76,039.79/x
  3. Step 3: Cross multiply
    133,391.44x = 184,085.29 × 76,039.79
  4. Step 4: Simplify right side
    133,391.44x = 13,997,806,793.69
  5. Step 5: Solve for x
    x = 13,997,806,793.69/133,391.44
  6. Step 6: Final answer
    x = 104,937.82

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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.