Home / 131,000.20-196,208.70-113,504.20

Finding the Fourth Proportional to 131,000.20, 196,208.70 and 113,504.20

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Solution

The fourth proportional to 131,000.20, 196,208.70 and 113,504.20 is: 170,003.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,000.20 : 196,208.70 = 113,504.20 : x
  2. Step 2: Convert to fraction form
    131,000.20/196,208.70 = 113,504.20/x
  3. Step 3: Cross multiply
    131,000.20x = 196,208.70 × 113,504.20
  4. Step 4: Simplify right side
    131,000.20x = 22,270,511,526.54
  5. Step 5: Solve for x
    x = 22,270,511,526.54/131,000.20
  6. Step 6: Final answer
    x = 170,003.65

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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.