Home / 251,018.31-346,407.68-137,843.43

Finding the Fourth Proportional to 251,018.31, 346,407.68 and 137,843.43

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Solution

The fourth proportional to 251,018.31, 346,407.68 and 137,843.43 is: 190,225.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,018.31 : 346,407.68 = 137,843.43 : x
  2. Step 2: Convert to fraction form
    251,018.31/346,407.68 = 137,843.43/x
  3. Step 3: Cross multiply
    251,018.31x = 346,407.68 × 137,843.43
  4. Step 4: Simplify right side
    251,018.31x = 47,750,022,100.33
  5. Step 5: Solve for x
    x = 47,750,022,100.33/251,018.31
  6. Step 6: Final answer
    x = 190,225.26

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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.