Home / 158,936.84-219,257.05-115,823.89

Finding the Fourth Proportional to 158,936.84, 219,257.05 and 115,823.89

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Solution

The fourth proportional to 158,936.84, 219,257.05 and 115,823.89 is: 159,781.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,936.84 : 219,257.05 = 115,823.89 : x
  2. Step 2: Convert to fraction form
    158,936.84/219,257.05 = 115,823.89/x
  3. Step 3: Cross multiply
    158,936.84x = 219,257.05 × 115,823.89
  4. Step 4: Simplify right side
    158,936.84x = 25,395,202,765.52
  5. Step 5: Solve for x
    x = 25,395,202,765.52/158,936.84
  6. Step 6: Final answer
    x = 159,781.73

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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.