Home / 194,649.75-268,616.66-105,225.75

Finding the Fourth Proportional to 194,649.75, 268,616.66 and 105,225.75

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Solution

The fourth proportional to 194,649.75, 268,616.66 and 105,225.75 is: 145,211.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,649.75 : 268,616.66 = 105,225.75 : x
  2. Step 2: Convert to fraction form
    194,649.75/268,616.66 = 105,225.75/x
  3. Step 3: Cross multiply
    194,649.75x = 268,616.66 × 105,225.75
  4. Step 4: Simplify right side
    194,649.75x = 28,265,388,984.87
  5. Step 5: Solve for x
    x = 28,265,388,984.87/194,649.75
  6. Step 6: Final answer
    x = 145,211.54

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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.