Home / 140,891.23-194,423.79-84,333.79

Finding the Fourth Proportional to 140,891.23, 194,423.79 and 84,333.79

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Solution

The fourth proportional to 140,891.23, 194,423.79 and 84,333.79 is: 116,376.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,891.23 : 194,423.79 = 84,333.79 : x
  2. Step 2: Convert to fraction form
    140,891.23/194,423.79 = 84,333.79/x
  3. Step 3: Cross multiply
    140,891.23x = 194,423.79 × 84,333.79
  4. Step 4: Simplify right side
    140,891.23x = 16,396,495,076.86
  5. Step 5: Solve for x
    x = 16,396,495,076.86/140,891.23
  6. Step 6: Final answer
    x = 116,376.97

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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.