Home / 120,846.02-166,765.26-67,130.50

Finding the Fourth Proportional to 120,846.02, 166,765.26 and 67,130.50

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Solution

The fourth proportional to 120,846.02, 166,765.26 and 67,130.50 is: 92,638.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,846.02 : 166,765.26 = 67,130.50 : x
  2. Step 2: Convert to fraction form
    120,846.02/166,765.26 = 67,130.50/x
  3. Step 3: Cross multiply
    120,846.02x = 166,765.26 × 67,130.50
  4. Step 4: Simplify right side
    120,846.02x = 11,195,035,286.43
  5. Step 5: Solve for x
    x = 11,195,035,286.43/120,846.02
  6. Step 6: Final answer
    x = 92,638.84

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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.