Home / 190,615.23-263,048.18-108,942.12

Finding the Fourth Proportional to 190,615.23, 263,048.18 and 108,942.12

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Solution

The fourth proportional to 190,615.23, 263,048.18 and 108,942.12 is: 150,339.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,615.23 : 263,048.18 = 108,942.12 : x
  2. Step 2: Convert to fraction form
    190,615.23/263,048.18 = 108,942.12/x
  3. Step 3: Cross multiply
    190,615.23x = 263,048.18 × 108,942.12
  4. Step 4: Simplify right side
    190,615.23x = 28,657,025,846.63
  5. Step 5: Solve for x
    x = 28,657,025,846.63/190,615.23
  6. Step 6: Final answer
    x = 150,339.64

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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.