Home / 193,676.28-290,449.02-73,704.72

Finding the Fourth Proportional to 193,676.28, 290,449.02 and 73,704.72

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Solution

The fourth proportional to 193,676.28, 290,449.02 and 73,704.72 is: 110,532.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,676.28 : 290,449.02 = 73,704.72 : x
  2. Step 2: Convert to fraction form
    193,676.28/290,449.02 = 73,704.72/x
  3. Step 3: Cross multiply
    193,676.28x = 290,449.02 × 73,704.72
  4. Step 4: Simplify right side
    193,676.28x = 21,407,463,693.37
  5. Step 5: Solve for x
    x = 21,407,463,693.37/193,676.28
  6. Step 6: Final answer
    x = 110,532.19

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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.