Home / 251,239.02-376,828.83-82,717.98

Finding the Fourth Proportional to 251,239.02, 376,828.83 and 82,717.98

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Solution

The fourth proportional to 251,239.02, 376,828.83 and 82,717.98 is: 124,067.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,239.02 : 376,828.83 = 82,717.98 : x
  2. Step 2: Convert to fraction form
    251,239.02/376,828.83 = 82,717.98/x
  3. Step 3: Cross multiply
    251,239.02x = 376,828.83 × 82,717.98
  4. Step 4: Simplify right side
    251,239.02x = 31,170,519,623.36
  5. Step 5: Solve for x
    x = 31,170,519,623.36/251,239.02
  6. Step 6: Final answer
    x = 124,067.19

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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.