Home / 131,266.20-196,607.70-113,770.20

Finding the Fourth Proportional to 131,266.20, 196,607.70 and 113,770.20

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Solution

The fourth proportional to 131,266.20, 196,607.70 and 113,770.20 is: 170,402.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,266.20 : 196,607.70 = 113,770.20 : x
  2. Step 2: Convert to fraction form
    131,266.20/196,607.70 = 113,770.20/x
  3. Step 3: Cross multiply
    131,266.20x = 196,607.70 × 113,770.20
  4. Step 4: Simplify right side
    131,266.20x = 22,368,097,350.54
  5. Step 5: Solve for x
    x = 22,368,097,350.54/131,266.20
  6. Step 6: Final answer
    x = 170,402.57

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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.