Home / 197,692.23-272,815.80-107,049.33

Finding the Fourth Proportional to 197,692.23, 272,815.80 and 107,049.33

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Solution

The fourth proportional to 197,692.23, 272,815.80 and 107,049.33 is: 147,728.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,692.23 : 272,815.80 = 107,049.33 : x
  2. Step 2: Convert to fraction form
    197,692.23/272,815.80 = 107,049.33/x
  3. Step 3: Cross multiply
    197,692.23x = 272,815.80 × 107,049.33
  4. Step 4: Simplify right side
    197,692.23x = 29,204,748,603.41
  5. Step 5: Solve for x
    x = 29,204,748,603.41/197,692.23
  6. Step 6: Final answer
    x = 147,728.36

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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.