Home / 251,033.47-346,428.44-137,857.03

Finding the Fourth Proportional to 251,033.47, 346,428.44 and 137,857.03

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Solution

The fourth proportional to 251,033.47, 346,428.44 and 137,857.03 is: 190,243.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,033.47 : 346,428.44 = 137,857.03 : x
  2. Step 2: Convert to fraction form
    251,033.47/346,428.44 = 137,857.03/x
  3. Step 3: Cross multiply
    251,033.47x = 346,428.44 × 137,857.03
  4. Step 4: Simplify right side
    251,033.47x = 47,757,595,156.65
  5. Step 5: Solve for x
    x = 47,757,595,156.65/251,033.47
  6. Step 6: Final answer
    x = 190,243.94

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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.