Home / 167,890.04-231,618.84-99,893.42

Finding the Fourth Proportional to 167,890.04, 231,618.84 and 99,893.42

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Solution

The fourth proportional to 167,890.04, 231,618.84 and 99,893.42 is: 137,811.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,890.04 : 231,618.84 = 99,893.42 : x
  2. Step 2: Convert to fraction form
    167,890.04/231,618.84 = 99,893.42/x
  3. Step 3: Cross multiply
    167,890.04x = 231,618.84 × 99,893.42
  4. Step 4: Simplify right side
    167,890.04x = 23,137,198,064.03
  5. Step 5: Solve for x
    x = 23,137,198,064.03/167,890.04
  6. Step 6: Final answer
    x = 137,811.62

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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.