Home / 103,682.03-155,523.05-51,194.03

Finding the Fourth Proportional to 103,682.03, 155,523.05 and 51,194.03

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Solution

The fourth proportional to 103,682.03, 155,523.05 and 51,194.03 is: 76,791.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,682.03 : 155,523.05 = 51,194.03 : x
  2. Step 2: Convert to fraction form
    103,682.03/155,523.05 = 51,194.03/x
  3. Step 3: Cross multiply
    103,682.03x = 155,523.05 × 51,194.03
  4. Step 4: Simplify right side
    103,682.03x = 7,961,851,687.39
  5. Step 5: Solve for x
    x = 7,961,851,687.39/103,682.03
  6. Step 6: Final answer
    x = 76,791.05

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1.5x scale

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.