Home / 117,622.20-176,433.30-89,628.60

Finding the Fourth Proportional to 117,622.20, 176,433.30 and 89,628.60

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Solution

The fourth proportional to 117,622.20, 176,433.30 and 89,628.60 is: 134,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,622.20 : 176,433.30 = 89,628.60 : x
  2. Step 2: Convert to fraction form
    117,622.20/176,433.30 = 89,628.60/x
  3. Step 3: Cross multiply
    117,622.20x = 176,433.30 × 89,628.60
  4. Step 4: Simplify right side
    117,622.20x = 15,813,469,672.38
  5. Step 5: Solve for x
    x = 15,813,469,672.38/117,622.20
  6. Step 6: Final answer
    x = 134,442.90

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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.