Home / 376,111.05-519,033.17-212,764.02

Finding the Fourth Proportional to 376,111.05, 519,033.17 and 212,764.02

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Solution

The fourth proportional to 376,111.05, 519,033.17 and 212,764.02 is: 293,614.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,111.05 : 519,033.17 = 212,764.02 : x
  2. Step 2: Convert to fraction form
    376,111.05/519,033.17 = 212,764.02/x
  3. Step 3: Cross multiply
    376,111.05x = 519,033.17 × 212,764.02
  4. Step 4: Simplify right side
    376,111.05x = 110,431,582,698.72
  5. Step 5: Solve for x
    x = 110,431,582,698.72/376,111.05
  6. Step 6: Final answer
    x = 293,614.30

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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.