Home / 281,252.14-422,012.50-131,470.67

Finding the Fourth Proportional to 281,252.14, 422,012.50 and 131,470.67

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Solution

The fourth proportional to 281,252.14, 422,012.50 and 131,470.67 is: 197,268.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,252.14 : 422,012.50 = 131,470.67 : x
  2. Step 2: Convert to fraction form
    281,252.14/422,012.50 = 131,470.67/x
  3. Step 3: Cross multiply
    281,252.14x = 422,012.50 × 131,470.67
  4. Step 4: Simplify right side
    281,252.14x = 55,482,266,849.73
  5. Step 5: Solve for x
    x = 55,482,266,849.73/281,252.14
  6. Step 6: Final answer
    x = 197,268.78

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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.