Home / 190,771.96-263,270.10-105,892.60

Finding the Fourth Proportional to 190,771.96, 263,270.10 and 105,892.60

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Solution

The fourth proportional to 190,771.96, 263,270.10 and 105,892.60 is: 146,134.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,771.96 : 263,270.10 = 105,892.60 : x
  2. Step 2: Convert to fraction form
    190,771.96/263,270.10 = 105,892.60/x
  3. Step 3: Cross multiply
    190,771.96x = 263,270.10 × 105,892.60
  4. Step 4: Simplify right side
    190,771.96x = 27,878,355,391.26
  5. Step 5: Solve for x
    x = 27,878,355,391.26/190,771.96
  6. Step 6: Final answer
    x = 146,134.45

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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.