Home / 192,640.26-265,812.50-120,969.54

Finding the Fourth Proportional to 192,640.26, 265,812.50 and 120,969.54

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Solution

The fourth proportional to 192,640.26, 265,812.50 and 120,969.54 is: 166,918.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,640.26 : 265,812.50 = 120,969.54 : x
  2. Step 2: Convert to fraction form
    192,640.26/265,812.50 = 120,969.54/x
  3. Step 3: Cross multiply
    192,640.26x = 265,812.50 × 120,969.54
  4. Step 4: Simplify right side
    192,640.26x = 32,155,215,851.25
  5. Step 5: Solve for x
    x = 32,155,215,851.25/192,640.26
  6. Step 6: Final answer
    x = 166,918.46

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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.