Home / 274,735.20-411,908.40-106,190.40

Finding the Fourth Proportional to 274,735.20, 411,908.40 and 106,190.40

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Solution

The fourth proportional to 274,735.20, 411,908.40 and 106,190.40 is: 159,210.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,735.20 : 411,908.40 = 106,190.40 : x
  2. Step 2: Convert to fraction form
    274,735.20/411,908.40 = 106,190.40/x
  3. Step 3: Cross multiply
    274,735.20x = 411,908.40 × 106,190.40
  4. Step 4: Simplify right side
    274,735.20x = 43,740,717,759.36
  5. Step 5: Solve for x
    x = 43,740,717,759.36/274,735.20
  6. Step 6: Final answer
    x = 159,210.46

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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.