Home / 122,235.96-168,692.72-68,538.26

Finding the Fourth Proportional to 122,235.96, 168,692.72 and 68,538.26

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Solution

The fourth proportional to 122,235.96, 168,692.72 and 68,538.26 is: 94,586.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,235.96 : 168,692.72 = 68,538.26 : x
  2. Step 2: Convert to fraction form
    122,235.96/168,692.72 = 68,538.26/x
  3. Step 3: Cross multiply
    122,235.96x = 168,692.72 × 68,538.26
  4. Step 4: Simplify right side
    122,235.96x = 11,561,905,503.47
  5. Step 5: Solve for x
    x = 11,561,905,503.47/122,235.96
  6. Step 6: Final answer
    x = 94,586.78

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1.5x scale

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.