Home / 146,716.20-219,383.10-109,391.40

Finding the Fourth Proportional to 146,716.20, 219,383.10 and 109,391.40

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Solution

The fourth proportional to 146,716.20, 219,383.10 and 109,391.40 is: 163,571.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,716.20 : 219,383.10 = 109,391.40 : x
  2. Step 2: Convert to fraction form
    146,716.20/219,383.10 = 109,391.40/x
  3. Step 3: Cross multiply
    146,716.20x = 219,383.10 × 109,391.40
  4. Step 4: Simplify right side
    146,716.20x = 23,998,624,445.34
  5. Step 5: Solve for x
    x = 23,998,624,445.34/146,716.20
  6. Step 6: Final answer
    x = 163,571.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.