Home / 194,890.06-268,949.07-105,466.06

Finding the Fourth Proportional to 194,890.06, 268,949.07 and 105,466.06

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Solution

The fourth proportional to 194,890.06, 268,949.07 and 105,466.06 is: 145,543.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,890.06 : 268,949.07 = 105,466.06 : x
  2. Step 2: Convert to fraction form
    194,890.06/268,949.07 = 105,466.06/x
  3. Step 3: Cross multiply
    194,890.06x = 268,949.07 × 105,466.06
  4. Step 4: Simplify right side
    194,890.06x = 28,364,998,753.56
  5. Step 5: Solve for x
    x = 28,364,998,753.56/194,890.06
  6. Step 6: Final answer
    x = 145,543.59

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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.