Home / 194,680.34-268,658.36-108,638.41

Finding the Fourth Proportional to 194,680.34, 268,658.36 and 108,638.41

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Solution

The fourth proportional to 194,680.34, 268,658.36 and 108,638.41 is: 149,920.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,680.34 : 268,658.36 = 108,638.41 : x
  2. Step 2: Convert to fraction form
    194,680.34/268,658.36 = 108,638.41/x
  3. Step 3: Cross multiply
    194,680.34x = 268,658.36 × 108,638.41
  4. Step 4: Simplify right side
    194,680.34x = 29,186,616,391.96
  5. Step 5: Solve for x
    x = 29,186,616,391.96/194,680.34
  6. Step 6: Final answer
    x = 149,920.72

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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.