Home / 397,313.10-595,988.28-131,096.88

Finding the Fourth Proportional to 397,313.10, 595,988.28 and 131,096.88

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Solution

The fourth proportional to 397,313.10, 595,988.28 and 131,096.88 is: 196,651.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,313.10 : 595,988.28 = 131,096.88 : x
  2. Step 2: Convert to fraction form
    397,313.10/595,988.28 = 131,096.88/x
  3. Step 3: Cross multiply
    397,313.10x = 595,988.28 × 131,096.88
  4. Step 4: Simplify right side
    397,313.10x = 78,132,204,024.57
  5. Step 5: Solve for x
    x = 78,132,204,024.57/397,313.10
  6. Step 6: Final answer
    x = 196,651.47

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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.