Home / 190,109.55-262,323.72-105,226.41

Finding the Fourth Proportional to 190,109.55, 262,323.72 and 105,226.41

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Solution

The fourth proportional to 190,109.55, 262,323.72 and 105,226.41 is: 145,197.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,109.55 : 262,323.72 = 105,226.41 : x
  2. Step 2: Convert to fraction form
    190,109.55/262,323.72 = 105,226.41/x
  3. Step 3: Cross multiply
    190,109.55x = 262,323.72 × 105,226.41
  4. Step 4: Simplify right side
    190,109.55x = 27,603,383,313.45
  5. Step 5: Solve for x
    x = 27,603,383,313.45/190,109.55
  6. Step 6: Final answer
    x = 145,197.25

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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.