Home / 121,137.12-181,692.92-32,399.60

Finding the Fourth Proportional to 121,137.12, 181,692.92 and 32,399.60

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Solution

The fourth proportional to 121,137.12, 181,692.92 and 32,399.60 is: 48,595.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,137.12 : 181,692.92 = 32,399.60 : x
  2. Step 2: Convert to fraction form
    121,137.12/181,692.92 = 32,399.60/x
  3. Step 3: Cross multiply
    121,137.12x = 181,692.92 × 32,399.60
  4. Step 4: Simplify right side
    121,137.12x = 5,886,777,103.37
  5. Step 5: Solve for x
    x = 5,886,777,103.37/121,137.12
  6. Step 6: Final answer
    x = 48,595.98

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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.