Home / 268,150.01-402,224.78-68,470.43

Finding the Fourth Proportional to 268,150.01, 402,224.78 and 68,470.43

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Solution

The fourth proportional to 268,150.01, 402,224.78 and 68,470.43 is: 102,705.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,150.01 : 402,224.78 = 68,470.43 : x
  2. Step 2: Convert to fraction form
    268,150.01/402,224.78 = 68,470.43/x
  3. Step 3: Cross multiply
    268,150.01x = 402,224.78 × 68,470.43
  4. Step 4: Simplify right side
    268,150.01x = 27,540,501,289.78
  5. Step 5: Solve for x
    x = 27,540,501,289.78/268,150.01
  6. Step 6: Final answer
    x = 102,705.58

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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.