Home / 251,454.33-346,997.93-138,276.27

Finding the Fourth Proportional to 251,454.33, 346,997.93 and 138,276.27

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Solution

The fourth proportional to 251,454.33, 346,997.93 and 138,276.27 is: 190,816.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,454.33 : 346,997.93 = 138,276.27 : x
  2. Step 2: Convert to fraction form
    251,454.33/346,997.93 = 138,276.27/x
  3. Step 3: Cross multiply
    251,454.33x = 346,997.93 × 138,276.27
  4. Step 4: Simplify right side
    251,454.33x = 47,981,578,766.74
  5. Step 5: Solve for x
    x = 47,981,578,766.74/251,454.33
  6. Step 6: Final answer
    x = 190,816.28

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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.