Home / 167,910.40-251,707.25-83,590.75

Finding the Fourth Proportional to 167,910.40, 251,707.25 and 83,590.75

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Solution

The fourth proportional to 167,910.40, 251,707.25 and 83,590.75 is: 125,307.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,910.40 : 251,707.25 = 83,590.75 : x
  2. Step 2: Convert to fraction form
    167,910.40/251,707.25 = 83,590.75/x
  3. Step 3: Cross multiply
    167,910.40x = 251,707.25 × 83,590.75
  4. Step 4: Simplify right side
    167,910.40x = 21,040,397,389.98
  5. Step 5: Solve for x
    x = 21,040,397,389.98/167,910.40
  6. Step 6: Final answer
    x = 125,307.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.