Home / 194,621.56-268,577.70-105,197.56

Finding the Fourth Proportional to 194,621.56, 268,577.70 and 105,197.56

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Solution

The fourth proportional to 194,621.56, 268,577.70 and 105,197.56 is: 145,172.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,621.56 : 268,577.70 = 105,197.56 : x
  2. Step 2: Convert to fraction form
    194,621.56/268,577.70 = 105,197.56/x
  3. Step 3: Cross multiply
    194,621.56x = 268,577.70 × 105,197.56
  4. Step 4: Simplify right side
    194,621.56x = 28,253,718,710.41
  5. Step 5: Solve for x
    x = 28,253,718,710.41/194,621.56
  6. Step 6: Final answer
    x = 145,172.60

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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.