Home / 251,797.06-347,481.26-138,619.81

Finding the Fourth Proportional to 251,797.06, 347,481.26 and 138,619.81

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Solution

The fourth proportional to 251,797.06, 347,481.26 and 138,619.81 is: 191,296.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,797.06 : 347,481.26 = 138,619.81 : x
  2. Step 2: Convert to fraction form
    251,797.06/347,481.26 = 138,619.81/x
  3. Step 3: Cross multiply
    251,797.06x = 347,481.26 × 138,619.81
  4. Step 4: Simplify right side
    251,797.06x = 48,167,786,239.76
  5. Step 5: Solve for x
    x = 48,167,786,239.76/251,797.06
  6. Step 6: Final answer
    x = 191,296.06

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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.