Home / 174,629.64-261,725.30-74,672.28

Finding the Fourth Proportional to 174,629.64, 261,725.30 and 74,672.28

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Solution

The fourth proportional to 174,629.64, 261,725.30 and 74,672.28 is: 111,914.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,629.64 : 261,725.30 = 74,672.28 : x
  2. Step 2: Convert to fraction form
    174,629.64/261,725.30 = 74,672.28/x
  3. Step 3: Cross multiply
    174,629.64x = 261,725.30 × 74,672.28
  4. Step 4: Simplify right side
    174,629.64x = 19,543,624,884.68
  5. Step 5: Solve for x
    x = 19,543,624,884.68/174,629.64
  6. Step 6: Final answer
    x = 111,914.71

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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.