Home / 120,435.50-166,134.04-94,847.60

Finding the Fourth Proportional to 120,435.50, 166,134.04 and 94,847.60

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Solution

The fourth proportional to 120,435.50, 166,134.04 and 94,847.60 is: 130,836.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,435.50 : 166,134.04 = 94,847.60 : x
  2. Step 2: Convert to fraction form
    120,435.50/166,134.04 = 94,847.60/x
  3. Step 3: Cross multiply
    120,435.50x = 166,134.04 × 94,847.60
  4. Step 4: Simplify right side
    120,435.50x = 15,757,415,150.52
  5. Step 5: Solve for x
    x = 15,757,415,150.52/120,435.50
  6. Step 6: Final answer
    x = 130,836.96

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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.