Home / 190,090.82-262,333.60-105,207.86

Finding the Fourth Proportional to 190,090.82, 262,333.60 and 105,207.86

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Solution

The fourth proportional to 190,090.82, 262,333.60 and 105,207.86 is: 145,191.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,090.82 : 262,333.60 = 105,207.86 : x
  2. Step 2: Convert to fraction form
    190,090.82/262,333.60 = 105,207.86/x
  3. Step 3: Cross multiply
    190,090.82x = 262,333.60 × 105,207.86
  4. Step 4: Simplify right side
    190,090.82x = 27,599,555,087.41
  5. Step 5: Solve for x
    x = 27,599,555,087.41/190,090.82
  6. Step 6: Final answer
    x = 145,191.42

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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.