Home / 279,225.44-418,836.24-113,011.04

Finding the Fourth Proportional to 279,225.44, 418,836.24 and 113,011.04

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Solution

The fourth proportional to 279,225.44, 418,836.24 and 113,011.04 is: 169,515.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,225.44 : 418,836.24 = 113,011.04 : x
  2. Step 2: Convert to fraction form
    279,225.44/418,836.24 = 113,011.04/x
  3. Step 3: Cross multiply
    279,225.44x = 418,836.24 × 113,011.04
  4. Step 4: Simplify right side
    279,225.44x = 47,333,119,072.09
  5. Step 5: Solve for x
    x = 47,333,119,072.09/279,225.44
  6. Step 6: Final answer
    x = 169,515.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.