Home / 192,405.90-265,348.22-120,792.60

Finding the Fourth Proportional to 192,405.90, 265,348.22 and 120,792.60

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Solution

The fourth proportional to 192,405.90, 265,348.22 and 120,792.60 is: 166,585.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,405.90 : 265,348.22 = 120,792.60 : x
  2. Step 2: Convert to fraction form
    192,405.90/265,348.22 = 120,792.60/x
  3. Step 3: Cross multiply
    192,405.90x = 265,348.22 × 120,792.60
  4. Step 4: Simplify right side
    192,405.90x = 32,052,101,399.17
  5. Step 5: Solve for x
    x = 32,052,101,399.17/192,405.90
  6. Step 6: Final answer
    x = 166,585.86

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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.