Home / 133,051.19-199,470.82-76,827.52

Finding the Fourth Proportional to 133,051.19, 199,470.82 and 76,827.52

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Solution

The fourth proportional to 133,051.19, 199,470.82 and 76,827.52 is: 115,180.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,051.19 : 199,470.82 = 76,827.52 : x
  2. Step 2: Convert to fraction form
    133,051.19/199,470.82 = 76,827.52/x
  3. Step 3: Cross multiply
    133,051.19x = 199,470.82 × 76,827.52
  4. Step 4: Simplify right side
    133,051.19x = 15,324,848,412.97
  5. Step 5: Solve for x
    x = 15,324,848,412.97/133,051.19
  6. Step 6: Final answer
    x = 115,180.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.