Home / 314,845.41-434,481.66-171,606.63

Finding the Fourth Proportional to 314,845.41, 434,481.66 and 171,606.63

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Solution

The fourth proportional to 314,845.41, 434,481.66 and 171,606.63 is: 236,814.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,845.41 : 434,481.66 = 171,606.63 : x
  2. Step 2: Convert to fraction form
    314,845.41/434,481.66 = 171,606.63/x
  3. Step 3: Cross multiply
    314,845.41x = 434,481.66 × 171,606.63
  4. Step 4: Simplify right side
    314,845.41x = 74,559,933,469.41
  5. Step 5: Solve for x
    x = 74,559,933,469.41/314,845.41
  6. Step 6: Final answer
    x = 236,814.42

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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.