Home / 376,072.11-563,736.38-139,351.23

Finding the Fourth Proportional to 376,072.11, 563,736.38 and 139,351.23

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Solution

The fourth proportional to 376,072.11, 563,736.38 and 139,351.23 is: 208,889.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,072.11 : 563,736.38 = 139,351.23 : x
  2. Step 2: Convert to fraction form
    376,072.11/563,736.38 = 139,351.23/x
  3. Step 3: Cross multiply
    376,072.11x = 563,736.38 × 139,351.23
  4. Step 4: Simplify right side
    376,072.11x = 78,557,357,251.99
  5. Step 5: Solve for x
    x = 78,557,357,251.99/376,072.11
  6. Step 6: Final answer
    x = 208,889.08

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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.