Home / 132,732.84-198,631.35-82,836.30

Finding the Fourth Proportional to 132,732.84, 198,631.35 and 82,836.30

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Solution

The fourth proportional to 132,732.84, 198,631.35 and 82,836.30 is: 123,962.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,732.84 : 198,631.35 = 82,836.30 : x
  2. Step 2: Convert to fraction form
    132,732.84/198,631.35 = 82,836.30/x
  3. Step 3: Cross multiply
    132,732.84x = 198,631.35 × 82,836.30
  4. Step 4: Simplify right side
    132,732.84x = 16,453,886,098.01
  5. Step 5: Solve for x
    x = 16,453,886,098.01/132,732.84
  6. Step 6: Final answer
    x = 123,962.44

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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.