Home / 190,906.40-263,333.04-122,900.96

Finding the Fourth Proportional to 190,906.40, 263,333.04 and 122,900.96

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Solution

The fourth proportional to 190,906.40, 263,333.04 and 122,900.96 is: 169,527.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,906.40 : 263,333.04 = 122,900.96 : x
  2. Step 2: Convert to fraction form
    190,906.40/263,333.04 = 122,900.96/x
  3. Step 3: Cross multiply
    190,906.40x = 263,333.04 × 122,900.96
  4. Step 4: Simplify right side
    190,906.40x = 32,363,883,415.72
  5. Step 5: Solve for x
    x = 32,363,883,415.72/190,906.40
  6. Step 6: Final answer
    x = 169,527.49

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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.