Home / 134,664.23-185,828.31-74,231.75

Finding the Fourth Proportional to 134,664.23, 185,828.31 and 74,231.75

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Solution

The fourth proportional to 134,664.23, 185,828.31 and 74,231.75 is: 102,435.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,664.23 : 185,828.31 = 74,231.75 : x
  2. Step 2: Convert to fraction form
    134,664.23/185,828.31 = 74,231.75/x
  3. Step 3: Cross multiply
    134,664.23x = 185,828.31 × 74,231.75
  4. Step 4: Simplify right side
    134,664.23x = 13,794,361,115.41
  5. Step 5: Solve for x
    x = 13,794,361,115.41/134,664.23
  6. Step 6: Final answer
    x = 102,435.23

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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.