Home / 140,701.22-194,166.21-76,169.01

Finding the Fourth Proportional to 140,701.22, 194,166.21 and 76,169.01

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Solution

The fourth proportional to 140,701.22, 194,166.21 and 76,169.01 is: 105,112.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,701.22 : 194,166.21 = 76,169.01 : x
  2. Step 2: Convert to fraction form
    140,701.22/194,166.21 = 76,169.01/x
  3. Step 3: Cross multiply
    140,701.22x = 194,166.21 × 76,169.01
  4. Step 4: Simplify right side
    140,701.22x = 14,789,449,004.91
  5. Step 5: Solve for x
    x = 14,789,449,004.91/140,701.22
  6. Step 6: Final answer
    x = 105,112.44

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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.