Home / 251,983.58-347,738.27-138,806.06

Finding the Fourth Proportional to 251,983.58, 347,738.27 and 138,806.06

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Solution

The fourth proportional to 251,983.58, 347,738.27 and 138,806.06 is: 191,552.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,983.58 : 347,738.27 = 138,806.06 : x
  2. Step 2: Convert to fraction form
    251,983.58/347,738.27 = 138,806.06/x
  3. Step 3: Cross multiply
    251,983.58x = 347,738.27 × 138,806.06
  4. Step 4: Simplify right side
    251,983.58x = 48,268,179,169.92
  5. Step 5: Solve for x
    x = 48,268,179,169.92/251,983.58
  6. Step 6: Final answer
    x = 191,552.87

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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.