Home / 295,516.12-443,230.09-82,261.75

Finding the Fourth Proportional to 295,516.12, 443,230.09 and 82,261.75

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Solution

The fourth proportional to 295,516.12, 443,230.09 and 82,261.75 is: 123,380.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,516.12 : 443,230.09 = 82,261.75 : x
  2. Step 2: Convert to fraction form
    295,516.12/443,230.09 = 82,261.75/x
  3. Step 3: Cross multiply
    295,516.12x = 443,230.09 × 82,261.75
  4. Step 4: Simplify right side
    295,516.12x = 36,460,882,856.06
  5. Step 5: Solve for x
    x = 36,460,882,856.06/295,516.12
  6. Step 6: Final answer
    x = 123,380.35

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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.