Home / 120,984.03-166,955.81-67,267.89

Finding the Fourth Proportional to 120,984.03, 166,955.81 and 67,267.89

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Solution

The fourth proportional to 120,984.03, 166,955.81 and 67,267.89 is: 92,828.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,984.03 : 166,955.81 = 67,267.89 : x
  2. Step 2: Convert to fraction form
    120,984.03/166,955.81 = 67,267.89/x
  3. Step 3: Cross multiply
    120,984.03x = 166,955.81 × 67,267.89
  4. Step 4: Simplify right side
    120,984.03x = 11,230,764,725.60
  5. Step 5: Solve for x
    x = 11,230,764,725.60/120,984.03
  6. Step 6: Final answer
    x = 92,828.49

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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.