Home / 667,147.24-1,000,722.89-161,706.23

Finding the Fourth Proportional to 667,147.24, 1,000,722.89 and 161,706.23

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Solution

The fourth proportional to 667,147.24, 1,000,722.89 and 161,706.23 is: 242,559.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,147.24 : 1,000,722.89 = 161,706.23 : x
  2. Step 2: Convert to fraction form
    667,147.24/1,000,722.89 = 161,706.23/x
  3. Step 3: Cross multiply
    667,147.24x = 1,000,722.89 × 161,706.23
  4. Step 4: Simplify right side
    667,147.24x = 161,823,125,816.61
  5. Step 5: Solve for x
    x = 161,823,125,816.61/667,147.24
  6. Step 6: Final answer
    x = 242,559.84

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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.