Home / 120,106.44-165,753.27-69,126.93

Finding the Fourth Proportional to 120,106.44, 165,753.27 and 69,126.93

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Solution

The fourth proportional to 120,106.44, 165,753.27 and 69,126.93 is: 95,398.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,106.44 : 165,753.27 = 69,126.93 : x
  2. Step 2: Convert to fraction form
    120,106.44/165,753.27 = 69,126.93/x
  3. Step 3: Cross multiply
    120,106.44x = 165,753.27 × 69,126.93
  4. Step 4: Simplify right side
    120,106.44x = 11,458,014,692.56
  5. Step 5: Solve for x
    x = 11,458,014,692.56/120,106.44
  6. Step 6: Final answer
    x = 95,398.84

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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.