Home / 132,743.40-198,647.04-82,846.80

Finding the Fourth Proportional to 132,743.40, 198,647.04 and 82,846.80

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Solution

The fourth proportional to 132,743.40, 198,647.04 and 82,846.80 is: 123,978.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,743.40 : 198,647.04 = 82,846.80 : x
  2. Step 2: Convert to fraction form
    132,743.40/198,647.04 = 82,846.80/x
  3. Step 3: Cross multiply
    132,743.40x = 198,647.04 × 82,846.80
  4. Step 4: Simplify right side
    132,743.40x = 16,457,271,593.47
  5. Step 5: Solve for x
    x = 16,457,271,593.47/132,743.40
  6. Step 6: Final answer
    x = 123,978.08

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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.