Home / 117,524.10-176,286.15-115,191.30

Finding the Fourth Proportional to 117,524.10, 176,286.15 and 115,191.30

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Solution

The fourth proportional to 117,524.10, 176,286.15 and 115,191.30 is: 172,786.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,524.10 : 176,286.15 = 115,191.30 : x
  2. Step 2: Convert to fraction form
    117,524.10/176,286.15 = 115,191.30/x
  3. Step 3: Cross multiply
    117,524.10x = 176,286.15 × 115,191.30
  4. Step 4: Simplify right side
    117,524.10x = 20,306,630,790.50
  5. Step 5: Solve for x
    x = 20,306,630,790.50/117,524.10
  6. Step 6: Final answer
    x = 172,786.95

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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.