Home / 194,559.25-268,491.77-105,135.25

Finding the Fourth Proportional to 194,559.25, 268,491.77 and 105,135.25

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Solution

The fourth proportional to 194,559.25, 268,491.77 and 105,135.25 is: 145,086.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,559.25 : 268,491.77 = 105,135.25 : x
  2. Step 2: Convert to fraction form
    194,559.25/268,491.77 = 105,135.25/x
  3. Step 3: Cross multiply
    194,559.25x = 268,491.77 × 105,135.25
  4. Step 4: Simplify right side
    194,559.25x = 28,227,949,361.89
  5. Step 5: Solve for x
    x = 28,227,949,361.89/194,559.25
  6. Step 6: Final answer
    x = 145,086.65

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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.