Home / 133,434.33-184,121.19-79,707.94

Finding the Fourth Proportional to 133,434.33, 184,121.19 and 79,707.94

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Solution

The fourth proportional to 133,434.33, 184,121.19 and 79,707.94 is: 109,986.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,434.33 : 184,121.19 = 79,707.94 : x
  2. Step 2: Convert to fraction form
    133,434.33/184,121.19 = 79,707.94/x
  3. Step 3: Cross multiply
    133,434.33x = 184,121.19 × 79,707.94
  4. Step 4: Simplify right side
    133,434.33x = 14,675,920,710.70
  5. Step 5: Solve for x
    x = 14,675,920,710.70/133,434.33
  6. Step 6: Final answer
    x = 109,986.09

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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.