Home / 190,433.62-262,806.69-105,550.75

Finding the Fourth Proportional to 190,433.62, 262,806.69 and 105,550.75

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Solution

The fourth proportional to 190,433.62, 262,806.69 and 105,550.75 is: 145,664.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,433.62 : 262,806.69 = 105,550.75 : x
  2. Step 2: Convert to fraction form
    190,433.62/262,806.69 = 105,550.75/x
  3. Step 3: Cross multiply
    190,433.62x = 262,806.69 × 105,550.75
  4. Step 4: Simplify right side
    190,433.62x = 27,739,443,234.52
  5. Step 5: Solve for x
    x = 27,739,443,234.52/190,433.62
  6. Step 6: Final answer
    x = 145,664.63

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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.