Home / 141,019.63-194,605.27-80,589.58

Finding the Fourth Proportional to 141,019.63, 194,605.27 and 80,589.58

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Solution

The fourth proportional to 141,019.63, 194,605.27 and 80,589.58 is: 111,212.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,019.63 : 194,605.27 = 80,589.58 : x
  2. Step 2: Convert to fraction form
    141,019.63/194,605.27 = 80,589.58/x
  3. Step 3: Cross multiply
    141,019.63x = 194,605.27 × 80,589.58
  4. Step 4: Simplify right side
    141,019.63x = 15,683,156,975.09
  5. Step 5: Solve for x
    x = 15,683,156,975.09/141,019.63
  6. Step 6: Final answer
    x = 111,212.58

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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.