Home / 121,136.76-181,692.36-32,399.22

Finding the Fourth Proportional to 121,136.76, 181,692.36 and 32,399.22

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Solution

The fourth proportional to 121,136.76, 181,692.36 and 32,399.22 is: 48,595.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,136.76 : 181,692.36 = 32,399.22 : x
  2. Step 2: Convert to fraction form
    121,136.76/181,692.36 = 32,399.22/x
  3. Step 3: Cross multiply
    121,136.76x = 181,692.36 × 32,399.22
  4. Step 4: Simplify right side
    121,136.76x = 5,886,690,743.96
  5. Step 5: Solve for x
    x = 5,886,690,743.96/121,136.76
  6. Step 6: Final answer
    x = 48,595.41

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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.