Home / 132,408.33-182,681.49-82,136.49

Finding the Fourth Proportional to 132,408.33, 182,681.49 and 82,136.49

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Solution

The fourth proportional to 132,408.33, 182,681.49 and 82,136.49 is: 113,322.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,408.33 : 182,681.49 = 82,136.49 : x
  2. Step 2: Convert to fraction form
    132,408.33/182,681.49 = 82,136.49/x
  3. Step 3: Cross multiply
    132,408.33x = 182,681.49 × 82,136.49
  4. Step 4: Simplify right side
    132,408.33x = 15,004,816,376.57
  5. Step 5: Solve for x
    x = 15,004,816,376.57/132,408.33
  6. Step 6: Final answer
    x = 113,322.30

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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.