Home / 167,904.19-231,706.63-91,423.24

Finding the Fourth Proportional to 167,904.19, 231,706.63 and 91,423.24

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Solution

The fourth proportional to 167,904.19, 231,706.63 and 91,423.24 is: 126,163.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,904.19 : 231,706.63 = 91,423.24 : x
  2. Step 2: Convert to fraction form
    167,904.19/231,706.63 = 91,423.24/x
  3. Step 3: Cross multiply
    167,904.19x = 231,706.63 × 91,423.24
  4. Step 4: Simplify right side
    167,904.19x = 21,183,371,682.44
  5. Step 5: Solve for x
    x = 21,183,371,682.44/167,904.19
  6. Step 6: Final answer
    x = 126,163.45

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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.