Home / 194,076.20-291,127.74-75,708.20

Finding the Fourth Proportional to 194,076.20, 291,127.74 and 75,708.20

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Solution

The fourth proportional to 194,076.20, 291,127.74 and 75,708.20 is: 113,567.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,076.20 : 291,127.74 = 75,708.20 : x
  2. Step 2: Convert to fraction form
    194,076.20/291,127.74 = 75,708.20/x
  3. Step 3: Cross multiply
    194,076.20x = 291,127.74 × 75,708.20
  4. Step 4: Simplify right side
    194,076.20x = 22,040,757,165.47
  5. Step 5: Solve for x
    x = 22,040,757,165.47/194,076.20
  6. Step 6: Final answer
    x = 113,567.54

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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.