Home / 165,631.23-248,268.24-81,293.22

Finding the Fourth Proportional to 165,631.23, 248,268.24 and 81,293.22

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Solution

The fourth proportional to 165,631.23, 248,268.24 and 81,293.22 is: 121,852.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,631.23 : 248,268.24 = 81,293.22 : x
  2. Step 2: Convert to fraction form
    165,631.23/248,268.24 = 81,293.22/x
  3. Step 3: Cross multiply
    165,631.23x = 248,268.24 × 81,293.22
  4. Step 4: Simplify right side
    165,631.23x = 20,182,524,653.33
  5. Step 5: Solve for x
    x = 20,182,524,653.33/165,631.23
  6. Step 6: Final answer
    x = 121,852.17

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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.