Home / 231,945.14-320,054.41-136,416.98

Finding the Fourth Proportional to 231,945.14, 320,054.41 and 136,416.98

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Solution

The fourth proportional to 231,945.14, 320,054.41 and 136,416.98 is: 188,237.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,945.14 : 320,054.41 = 136,416.98 : x
  2. Step 2: Convert to fraction form
    231,945.14/320,054.41 = 136,416.98/x
  3. Step 3: Cross multiply
    231,945.14x = 320,054.41 × 136,416.98
  4. Step 4: Simplify right side
    231,945.14x = 43,660,856,047.88
  5. Step 5: Solve for x
    x = 43,660,856,047.88/231,945.14
  6. Step 6: Final answer
    x = 188,237.86

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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.