Home / 179,221.57-268,833.11-72,607.60

Finding the Fourth Proportional to 179,221.57, 268,833.11 and 72,607.60

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Solution

The fourth proportional to 179,221.57, 268,833.11 and 72,607.60 is: 108,911.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,221.57 : 268,833.11 = 72,607.60 : x
  2. Step 2: Convert to fraction form
    179,221.57/268,833.11 = 72,607.60/x
  3. Step 3: Cross multiply
    179,221.57x = 268,833.11 × 72,607.60
  4. Step 4: Simplify right side
    179,221.57x = 19,519,325,573.47
  5. Step 5: Solve for x
    x = 19,519,325,573.47/179,221.57
  6. Step 6: Final answer
    x = 108,911.70

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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.