Home / 105,601.12-158,268.63-75,458.33

Finding the Fourth Proportional to 105,601.12, 158,268.63 and 75,458.33

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Solution

The fourth proportional to 105,601.12, 158,268.63 and 75,458.33 is: 113,092.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,601.12 : 158,268.63 = 75,458.33 : x
  2. Step 2: Convert to fraction form
    105,601.12/158,268.63 = 75,458.33/x
  3. Step 3: Cross multiply
    105,601.12x = 158,268.63 × 75,458.33
  4. Step 4: Simplify right side
    105,601.12x = 11,942,687,486.58
  5. Step 5: Solve for x
    x = 11,942,687,486.58/105,601.12
  6. Step 6: Final answer
    x = 113,092.43

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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.