Home / 113,516.20-170,274.30-106,517.80

Finding the Fourth Proportional to 113,516.20, 170,274.30 and 106,517.80

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Solution

The fourth proportional to 113,516.20, 170,274.30 and 106,517.80 is: 159,776.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,516.20 : 170,274.30 = 106,517.80 : x
  2. Step 2: Convert to fraction form
    113,516.20/170,274.30 = 106,517.80/x
  3. Step 3: Cross multiply
    113,516.20x = 170,274.30 × 106,517.80
  4. Step 4: Simplify right side
    113,516.20x = 18,137,243,832.54
  5. Step 5: Solve for x
    x = 18,137,243,832.54/113,516.20
  6. Step 6: Final answer
    x = 159,776.70

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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.