Home / 270,187.90-405,290.05-92,692.33

Finding the Fourth Proportional to 270,187.90, 405,290.05 and 92,692.33

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Solution

The fourth proportional to 270,187.90, 405,290.05 and 92,692.33 is: 139,041.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,187.90 : 405,290.05 = 92,692.33 : x
  2. Step 2: Convert to fraction form
    270,187.90/405,290.05 = 92,692.33/x
  3. Step 3: Cross multiply
    270,187.90x = 405,290.05 × 92,692.33
  4. Step 4: Simplify right side
    270,187.90x = 37,567,277,815.36
  5. Step 5: Solve for x
    x = 37,567,277,815.36/270,187.90
  6. Step 6: Final answer
    x = 139,041.30

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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.