Home / 107,449.45-161,206.37-43,374.60

Finding the Fourth Proportional to 107,449.45, 161,206.37 and 43,374.60

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Solution

The fourth proportional to 107,449.45, 161,206.37 and 43,374.60 is: 65,074.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,449.45 : 161,206.37 = 43,374.60 : x
  2. Step 2: Convert to fraction form
    107,449.45/161,206.37 = 43,374.60/x
  3. Step 3: Cross multiply
    107,449.45x = 161,206.37 × 43,374.60
  4. Step 4: Simplify right side
    107,449.45x = 6,992,261,816.20
  5. Step 5: Solve for x
    x = 6,992,261,816.20/107,449.45
  6. Step 6: Final answer
    x = 65,074.90

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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.