Home / 165,896.40-248,727.96-77,055.60

Finding the Fourth Proportional to 165,896.40, 248,727.96 and 77,055.60

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Solution

The fourth proportional to 165,896.40, 248,727.96 and 77,055.60 is: 115,529.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,896.40 : 248,727.96 = 77,055.60 : x
  2. Step 2: Convert to fraction form
    165,896.40/248,727.96 = 77,055.60/x
  3. Step 3: Cross multiply
    165,896.40x = 248,727.96 × 77,055.60
  4. Step 4: Simplify right side
    165,896.40x = 19,165,882,194.58
  5. Step 5: Solve for x
    x = 19,165,882,194.58/165,896.40
  6. Step 6: Final answer
    x = 115,529.22

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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.