Home / 107,924.20-161,886.30-105,850.60

Finding the Fourth Proportional to 107,924.20, 161,886.30 and 105,850.60

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Solution

The fourth proportional to 107,924.20, 161,886.30 and 105,850.60 is: 158,775.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,924.20 : 161,886.30 = 105,850.60 : x
  2. Step 2: Convert to fraction form
    107,924.20/161,886.30 = 105,850.60/x
  3. Step 3: Cross multiply
    107,924.20x = 161,886.30 × 105,850.60
  4. Step 4: Simplify right side
    107,924.20x = 17,135,761,986.78
  5. Step 5: Solve for x
    x = 17,135,761,986.78/107,924.20
  6. Step 6: Final answer
    x = 158,775.90

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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.