Home / 126,235.22-189,172.38-92,692.10

Finding the Fourth Proportional to 126,235.22, 189,172.38 and 92,692.10

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Solution

The fourth proportional to 126,235.22, 189,172.38 and 92,692.10 is: 138,905.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,235.22 : 189,172.38 = 92,692.10 : x
  2. Step 2: Convert to fraction form
    126,235.22/189,172.38 = 92,692.10/x
  3. Step 3: Cross multiply
    126,235.22x = 189,172.38 × 92,692.10
  4. Step 4: Simplify right side
    126,235.22x = 17,534,785,164.20
  5. Step 5: Solve for x
    x = 17,534,785,164.20/126,235.22
  6. Step 6: Final answer
    x = 138,905.65

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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.