Home / 192,736.58-265,979.63-105,520.22

Finding the Fourth Proportional to 192,736.58, 265,979.63 and 105,520.22

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Solution

The fourth proportional to 192,736.58, 265,979.63 and 105,520.22 is: 145,619.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,736.58 : 265,979.63 = 105,520.22 : x
  2. Step 2: Convert to fraction form
    192,736.58/265,979.63 = 105,520.22/x
  3. Step 3: Cross multiply
    192,736.58x = 265,979.63 × 105,520.22
  4. Step 4: Simplify right side
    192,736.58x = 28,066,229,907.03
  5. Step 5: Solve for x
    x = 28,066,229,907.03/192,736.58
  6. Step 6: Final answer
    x = 145,619.63

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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.