Home / 167,429.16-231,046.29-90,945.45

Finding the Fourth Proportional to 167,429.16, 231,046.29 and 90,945.45

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Solution

The fourth proportional to 167,429.16, 231,046.29 and 90,945.45 is: 125,501.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,429.16 : 231,046.29 = 90,945.45 : x
  2. Step 2: Convert to fraction form
    167,429.16/231,046.29 = 90,945.45/x
  3. Step 3: Cross multiply
    167,429.16x = 231,046.29 × 90,945.45
  4. Step 4: Simplify right side
    167,429.16x = 21,012,608,814.88
  5. Step 5: Solve for x
    x = 21,012,608,814.88/167,429.16
  6. Step 6: Final answer
    x = 125,501.49

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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.