Home / 308,640.18-462,961.44-108,852.06

Finding the Fourth Proportional to 308,640.18, 462,961.44 and 108,852.06

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Solution

The fourth proportional to 308,640.18, 462,961.44 and 108,852.06 is: 163,278.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,640.18 : 462,961.44 = 108,852.06 : x
  2. Step 2: Convert to fraction form
    308,640.18/462,961.44 = 108,852.06/x
  3. Step 3: Cross multiply
    308,640.18x = 462,961.44 × 108,852.06
  4. Step 4: Simplify right side
    308,640.18x = 50,394,306,444.57
  5. Step 5: Solve for x
    x = 50,394,306,444.57/308,640.18
  6. Step 6: Final answer
    x = 163,278.50

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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.