Home / 111,073.20-166,998.60-108,740.40

Finding the Fourth Proportional to 111,073.20, 166,998.60 and 108,740.40

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Solution

The fourth proportional to 111,073.20, 166,998.60 and 108,740.40 is: 163,491.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,073.20 : 166,998.60 = 108,740.40 : x
  2. Step 2: Convert to fraction form
    111,073.20/166,998.60 = 108,740.40/x
  3. Step 3: Cross multiply
    111,073.20x = 166,998.60 × 108,740.40
  4. Step 4: Simplify right side
    111,073.20x = 18,159,494,563.44
  5. Step 5: Solve for x
    x = 18,159,494,563.44/111,073.20
  6. Step 6: Final answer
    x = 163,491.23

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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.