Home / 167,424.85-231,048.77-90,945.43

Finding the Fourth Proportional to 167,424.85, 231,048.77 and 90,945.43

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Solution

The fourth proportional to 167,424.85, 231,048.77 and 90,945.43 is: 125,506.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,424.85 : 231,048.77 = 90,945.43 : x
  2. Step 2: Convert to fraction form
    167,424.85/231,048.77 = 90,945.43/x
  3. Step 3: Cross multiply
    167,424.85x = 231,048.77 × 90,945.43
  4. Step 4: Simplify right side
    167,424.85x = 21,012,828,128.65
  5. Step 5: Solve for x
    x = 21,012,828,128.65/167,424.85
  6. Step 6: Final answer
    x = 125,506.03

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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.