Home / 167,520.21-251,317.38-55,195.89

Finding the Fourth Proportional to 167,520.21, 251,317.38 and 55,195.89

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Solution

The fourth proportional to 167,520.21, 251,317.38 and 55,195.89 is: 82,806.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,520.21 : 251,317.38 = 55,195.89 : x
  2. Step 2: Convert to fraction form
    167,520.21/251,317.38 = 55,195.89/x
  3. Step 3: Cross multiply
    167,520.21x = 251,317.38 × 55,195.89
  4. Step 4: Simplify right side
    167,520.21x = 13,871,686,461.57
  5. Step 5: Solve for x
    x = 13,871,686,461.57/167,520.21
  6. Step 6: Final answer
    x = 82,806.05

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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.