Home / 167,865.81-251,706.69-66,561.27

Finding the Fourth Proportional to 167,865.81, 251,706.69 and 66,561.27

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Solution

The fourth proportional to 167,865.81, 251,706.69 and 66,561.27 is: 99,805.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,865.81 : 251,706.69 = 66,561.27 : x
  2. Step 2: Convert to fraction form
    167,865.81/251,706.69 = 66,561.27/x
  3. Step 3: Cross multiply
    167,865.81x = 251,706.69 × 66,561.27
  4. Step 4: Simplify right side
    167,865.81x = 16,753,916,953.90
  5. Step 5: Solve for x
    x = 16,753,916,953.90/167,865.81
  6. Step 6: Final answer
    x = 99,805.42

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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.