Home / 158,835.41-238,183.16-74,619.51

Finding the Fourth Proportional to 158,835.41, 238,183.16 and 74,619.51

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Solution

The fourth proportional to 158,835.41, 238,183.16 and 74,619.51 is: 111,896.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,835.41 : 238,183.16 = 74,619.51 : x
  2. Step 2: Convert to fraction form
    158,835.41/238,183.16 = 74,619.51/x
  3. Step 3: Cross multiply
    158,835.41x = 238,183.16 × 74,619.51
  4. Step 4: Simplify right side
    158,835.41x = 17,773,109,125.44
  5. Step 5: Solve for x
    x = 17,773,109,125.44/158,835.41
  6. Step 6: Final answer
    x = 111,896.39

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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.