Home / 194,902.03-268,964.82-105,478.03

Finding the Fourth Proportional to 194,902.03, 268,964.82 and 105,478.03

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Solution

The fourth proportional to 194,902.03, 268,964.82 and 105,478.03 is: 145,559.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,902.03 : 268,964.82 = 105,478.03 : x
  2. Step 2: Convert to fraction form
    194,902.03/268,964.82 = 105,478.03/x
  3. Step 3: Cross multiply
    194,902.03x = 268,964.82 × 105,478.03
  4. Step 4: Simplify right side
    194,902.03x = 28,369,879,689.11
  5. Step 5: Solve for x
    x = 28,369,879,689.11/194,902.03
  6. Step 6: Final answer
    x = 145,559.69

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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.