Home / 118,664.40-177,996.60-114,517.20

Finding the Fourth Proportional to 118,664.40, 177,996.60 and 114,517.20

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Solution

The fourth proportional to 118,664.40, 177,996.60 and 114,517.20 is: 171,775.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,664.40 : 177,996.60 = 114,517.20 : x
  2. Step 2: Convert to fraction form
    118,664.40/177,996.60 = 114,517.20/x
  3. Step 3: Cross multiply
    118,664.40x = 177,996.60 × 114,517.20
  4. Step 4: Simplify right side
    118,664.40x = 20,383,672,241.52
  5. Step 5: Solve for x
    x = 20,383,672,241.52/118,664.40
  6. Step 6: Final answer
    x = 171,775.80

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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.