Home / 194,504.45-290,235.43-154,065.20

Finding the Fourth Proportional to 194,504.45, 290,235.43 and 154,065.20

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Solution

The fourth proportional to 194,504.45, 290,235.43 and 154,065.20 is: 229,892.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,504.45 : 290,235.43 = 154,065.20 : x
  2. Step 2: Convert to fraction form
    194,504.45/290,235.43 = 154,065.20/x
  3. Step 3: Cross multiply
    194,504.45x = 290,235.43 × 154,065.20
  4. Step 4: Simplify right side
    194,504.45x = 44,715,178,311.44
  5. Step 5: Solve for x
    x = 44,715,178,311.44/194,504.45
  6. Step 6: Final answer
    x = 229,892.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.