Home / 118,414.80-177,622.20-117,723.60

Finding the Fourth Proportional to 118,414.80, 177,622.20 and 117,723.60

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Solution

The fourth proportional to 118,414.80, 177,622.20 and 117,723.60 is: 176,585.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,414.80 : 177,622.20 = 117,723.60 : x
  2. Step 2: Convert to fraction form
    118,414.80/177,622.20 = 117,723.60/x
  3. Step 3: Cross multiply
    118,414.80x = 177,622.20 × 117,723.60
  4. Step 4: Simplify right side
    118,414.80x = 20,910,324,823.92
  5. Step 5: Solve for x
    x = 20,910,324,823.92/118,414.80
  6. Step 6: Final answer
    x = 176,585.40

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1.5x scale

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.