Home / 133,827.72-184,685.76-75,679.80

Finding the Fourth Proportional to 133,827.72, 184,685.76 and 75,679.80

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Solution

The fourth proportional to 133,827.72, 184,685.76 and 75,679.80 is: 104,440.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,827.72 : 184,685.76 = 75,679.80 : x
  2. Step 2: Convert to fraction form
    133,827.72/184,685.76 = 75,679.80/x
  3. Step 3: Cross multiply
    133,827.72x = 184,685.76 × 75,679.80
  4. Step 4: Simplify right side
    133,827.72x = 13,976,981,379.65
  5. Step 5: Solve for x
    x = 13,976,981,379.65/133,827.72
  6. Step 6: Final answer
    x = 104,440.11

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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.