Home / 253,022.53-379,527.74-82,244.03

Finding the Fourth Proportional to 253,022.53, 379,527.74 and 82,244.03

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Solution

The fourth proportional to 253,022.53, 379,527.74 and 82,244.03 is: 123,364.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,022.53 : 379,527.74 = 82,244.03 : x
  2. Step 2: Convert to fraction form
    253,022.53/379,527.74 = 82,244.03/x
  3. Step 3: Cross multiply
    253,022.53x = 379,527.74 × 82,244.03
  4. Step 4: Simplify right side
    253,022.53x = 31,213,891,371.99
  5. Step 5: Solve for x
    x = 31,213,891,371.99/253,022.53
  6. Step 6: Final answer
    x = 123,364.08

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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.