Home / 248,692.37-343,195.41-135,515.12

Finding the Fourth Proportional to 248,692.37, 343,195.41 and 135,515.12

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Solution

The fourth proportional to 248,692.37, 343,195.41 and 135,515.12 is: 187,010.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,692.37 : 343,195.41 = 135,515.12 : x
  2. Step 2: Convert to fraction form
    248,692.37/343,195.41 = 135,515.12/x
  3. Step 3: Cross multiply
    248,692.37x = 343,195.41 × 135,515.12
  4. Step 4: Simplify right side
    248,692.37x = 46,508,167,169.60
  5. Step 5: Solve for x
    x = 46,508,167,169.60/248,692.37
  6. Step 6: Final answer
    x = 187,010.83

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1.5x scale

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.