Home / 348,823.74-481,429.41-212,936.79

Finding the Fourth Proportional to 348,823.74, 481,429.41 and 212,936.79

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Solution

The fourth proportional to 348,823.74, 481,429.41 and 212,936.79 is: 293,884.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,823.74 : 481,429.41 = 212,936.79 : x
  2. Step 2: Convert to fraction form
    348,823.74/481,429.41 = 212,936.79/x
  3. Step 3: Cross multiply
    348,823.74x = 481,429.41 × 212,936.79
  4. Step 4: Simplify right side
    348,823.74x = 102,514,033,176.99
  5. Step 5: Solve for x
    x = 102,514,033,176.99/348,823.74
  6. Step 6: Final answer
    x = 293,884.91

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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.