Home / 164,791.75-227,412.62-89,340.25

Finding the Fourth Proportional to 164,791.75, 227,412.62 and 89,340.25

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Solution

The fourth proportional to 164,791.75, 227,412.62 and 89,340.25 is: 123,289.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,791.75 : 227,412.62 = 89,340.25 : x
  2. Step 2: Convert to fraction form
    164,791.75/227,412.62 = 89,340.25/x
  3. Step 3: Cross multiply
    164,791.75x = 227,412.62 × 89,340.25
  4. Step 4: Simplify right side
    164,791.75x = 20,317,100,323.96
  5. Step 5: Solve for x
    x = 20,317,100,323.96/164,791.75
  6. Step 6: Final answer
    x = 123,289.55

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1.5x scale

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.