Home / 192,786.12-265,907.52-117,339.48

Finding the Fourth Proportional to 192,786.12, 265,907.52 and 117,339.48

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Solution

The fourth proportional to 192,786.12, 265,907.52 and 117,339.48 is: 161,844.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,786.12 : 265,907.52 = 117,339.48 : x
  2. Step 2: Convert to fraction form
    192,786.12/265,907.52 = 117,339.48/x
  3. Step 3: Cross multiply
    192,786.12x = 265,907.52 × 117,339.48
  4. Step 4: Simplify right side
    192,786.12x = 31,201,450,124.89
  5. Step 5: Solve for x
    x = 31,201,450,124.89/192,786.12
  6. Step 6: Final answer
    x = 161,844.90

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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.