Home / 186,968.37-280,453.02-74,657.73

Finding the Fourth Proportional to 186,968.37, 280,453.02 and 74,657.73

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Solution

The fourth proportional to 186,968.37, 280,453.02 and 74,657.73 is: 111,986.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,968.37 : 280,453.02 = 74,657.73 : x
  2. Step 2: Convert to fraction form
    186,968.37/280,453.02 = 74,657.73/x
  3. Step 3: Cross multiply
    186,968.37x = 280,453.02 × 74,657.73
  4. Step 4: Simplify right side
    186,968.37x = 20,937,985,844.84
  5. Step 5: Solve for x
    x = 20,937,985,844.84/186,968.37
  6. Step 6: Final answer
    x = 111,986.78

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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.