Home / 121,123.26-181,692.18-51,008.04

Finding the Fourth Proportional to 121,123.26, 181,692.18 and 51,008.04

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Solution

The fourth proportional to 121,123.26, 181,692.18 and 51,008.04 is: 76,515.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,123.26 : 181,692.18 = 51,008.04 : x
  2. Step 2: Convert to fraction form
    121,123.26/181,692.18 = 51,008.04/x
  3. Step 3: Cross multiply
    121,123.26x = 181,692.18 × 51,008.04
  4. Step 4: Simplify right side
    121,123.26x = 9,267,761,985.13
  5. Step 5: Solve for x
    x = 9,267,761,985.13/121,123.26
  6. Step 6: Final answer
    x = 76,515.13

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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.