Home / 132,848.80-199,004.40-82,775.20

Finding the Fourth Proportional to 132,848.80, 199,004.40 and 82,775.20

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Solution

The fourth proportional to 132,848.80, 199,004.40 and 82,775.20 is: 123,995.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,848.80 : 199,004.40 = 82,775.20 : x
  2. Step 2: Convert to fraction form
    132,848.80/199,004.40 = 82,775.20/x
  3. Step 3: Cross multiply
    132,848.80x = 199,004.40 × 82,775.20
  4. Step 4: Simplify right side
    132,848.80x = 16,472,629,010.88
  5. Step 5: Solve for x
    x = 16,472,629,010.88/132,848.80
  6. Step 6: Final answer
    x = 123,995.32

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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.