Home / 312,733.41-431,574.24-169,495.85

Finding the Fourth Proportional to 312,733.41, 431,574.24 and 169,495.85

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Solution

The fourth proportional to 312,733.41, 431,574.24 and 169,495.85 is: 233,905.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,733.41 : 431,574.24 = 169,495.85 : x
  2. Step 2: Convert to fraction form
    312,733.41/431,574.24 = 169,495.85/x
  3. Step 3: Cross multiply
    312,733.41x = 431,574.24 × 169,495.85
  4. Step 4: Simplify right side
    312,733.41x = 73,150,040,489.03
  5. Step 5: Solve for x
    x = 73,150,040,489.03/312,733.41
  6. Step 6: Final answer
    x = 233,905.42

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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.