Home / 141,171.34-194,791.03-79,917.12

Finding the Fourth Proportional to 141,171.34, 194,791.03 and 79,917.12

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Solution

The fourth proportional to 141,171.34, 194,791.03 and 79,917.12 is: 110,271.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,171.34 : 194,791.03 = 79,917.12 : x
  2. Step 2: Convert to fraction form
    141,171.34/194,791.03 = 79,917.12/x
  3. Step 3: Cross multiply
    141,171.34x = 194,791.03 × 79,917.12
  4. Step 4: Simplify right side
    141,171.34x = 15,567,138,119.43
  5. Step 5: Solve for x
    x = 15,567,138,119.43/141,171.34
  6. Step 6: Final answer
    x = 110,271.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.