Home / 118,236.84-177,353.38-55,021.60

Finding the Fourth Proportional to 118,236.84, 177,353.38 and 55,021.60

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Solution

The fourth proportional to 118,236.84, 177,353.38 and 55,021.60 is: 82,531.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,236.84 : 177,353.38 = 55,021.60 : x
  2. Step 2: Convert to fraction form
    118,236.84/177,353.38 = 55,021.60/x
  3. Step 3: Cross multiply
    118,236.84x = 177,353.38 × 55,021.60
  4. Step 4: Simplify right side
    118,236.84x = 9,758,266,733.01
  5. Step 5: Solve for x
    x = 9,758,266,733.01/118,236.84
  6. Step 6: Final answer
    x = 82,531.53

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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.