Home / 251,917.48-347,357.70-188,147.56

Finding the Fourth Proportional to 251,917.48, 347,357.70 and 188,147.56

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Solution

The fourth proportional to 251,917.48, 347,357.70 and 188,147.56 is: 259,428.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,917.48 : 347,357.70 = 188,147.56 : x
  2. Step 2: Convert to fraction form
    251,917.48/347,357.70 = 188,147.56/x
  3. Step 3: Cross multiply
    251,917.48x = 347,357.70 × 188,147.56
  4. Step 4: Simplify right side
    251,917.48x = 65,354,503,702.21
  5. Step 5: Solve for x
    x = 65,354,503,702.21/251,917.48
  6. Step 6: Final answer
    x = 259,428.22

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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.