Home / 190,405.22-262,759.34-105,522.28

Finding the Fourth Proportional to 190,405.22, 262,759.34 and 105,522.28

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Solution

The fourth proportional to 190,405.22, 262,759.34 and 105,522.28 is: 145,620.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,405.22 : 262,759.34 = 105,522.28 : x
  2. Step 2: Convert to fraction form
    190,405.22/262,759.34 = 105,522.28/x
  3. Step 3: Cross multiply
    190,405.22x = 262,759.34 × 105,522.28
  4. Step 4: Simplify right side
    190,405.22x = 27,726,964,255.00
  5. Step 5: Solve for x
    x = 27,726,964,255.00/190,405.22
  6. Step 6: Final answer
    x = 145,620.82

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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.