Home / 251,811.45-347,503.32-137,093.56

Finding the Fourth Proportional to 251,811.45, 347,503.32 and 137,093.56

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Solution

The fourth proportional to 251,811.45, 347,503.32 and 137,093.56 is: 189,191.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,811.45 : 347,503.32 = 137,093.56 : x
  2. Step 2: Convert to fraction form
    251,811.45/347,503.32 = 137,093.56/x
  3. Step 3: Cross multiply
    251,811.45x = 347,503.32 × 137,093.56
  4. Step 4: Simplify right side
    251,811.45x = 47,640,468,722.14
  5. Step 5: Solve for x
    x = 47,640,468,722.14/251,811.45
  6. Step 6: Final answer
    x = 189,191.03

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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.