Home / 178,869.94-246,839.70-102,388.60

Finding the Fourth Proportional to 178,869.94, 246,839.70 and 102,388.60

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Solution

The fourth proportional to 178,869.94, 246,839.70 and 102,388.60 is: 141,295.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,869.94 : 246,839.70 = 102,388.60 : x
  2. Step 2: Convert to fraction form
    178,869.94/246,839.70 = 102,388.60/x
  3. Step 3: Cross multiply
    178,869.94x = 246,839.70 × 102,388.60
  4. Step 4: Simplify right side
    178,869.94x = 25,273,571,999.93
  5. Step 5: Solve for x
    x = 25,273,571,999.93/178,869.94
  6. Step 6: Final answer
    x = 141,295.81

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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.