Home / 180,386.60-248,853.96-108,724.28

Finding the Fourth Proportional to 180,386.60, 248,853.96 and 108,724.28

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Solution

The fourth proportional to 180,386.60, 248,853.96 and 108,724.28 is: 149,991.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,386.60 : 248,853.96 = 108,724.28 : x
  2. Step 2: Convert to fraction form
    180,386.60/248,853.96 = 108,724.28/x
  3. Step 3: Cross multiply
    180,386.60x = 248,853.96 × 108,724.28
  4. Step 4: Simplify right side
    180,386.60x = 27,056,467,626.15
  5. Step 5: Solve for x
    x = 27,056,467,626.15/180,386.60
  6. Step 6: Final answer
    x = 149,991.56

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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.