Home / 165,422.75-248,158.73-76,685.22

Finding the Fourth Proportional to 165,422.75, 248,158.73 and 76,685.22

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Solution

The fourth proportional to 165,422.75, 248,158.73 and 76,685.22 is: 115,039.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,422.75 : 248,158.73 = 76,685.22 : x
  2. Step 2: Convert to fraction form
    165,422.75/248,158.73 = 76,685.22/x
  3. Step 3: Cross multiply
    165,422.75x = 248,158.73 × 76,685.22
  4. Step 4: Simplify right side
    165,422.75x = 19,030,106,996.68
  5. Step 5: Solve for x
    x = 19,030,106,996.68/165,422.75
  6. Step 6: Final answer
    x = 115,039.24

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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.