Home / 194,569.02-268,504.74-105,145.02

Finding the Fourth Proportional to 194,569.02, 268,504.74 and 105,145.02

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Solution

The fourth proportional to 194,569.02, 268,504.74 and 105,145.02 is: 145,099.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,569.02 : 268,504.74 = 105,145.02 : x
  2. Step 2: Convert to fraction form
    194,569.02/268,504.74 = 105,145.02/x
  3. Step 3: Cross multiply
    194,569.02x = 268,504.74 × 105,145.02
  4. Step 4: Simplify right side
    194,569.02x = 28,231,936,257.39
  5. Step 5: Solve for x
    x = 28,231,936,257.39/194,569.02
  6. Step 6: Final answer
    x = 145,099.85

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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.