Home / 311,422.48-466,898.34-131,563.60

Finding the Fourth Proportional to 311,422.48, 466,898.34 and 131,563.60

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Solution

The fourth proportional to 311,422.48, 466,898.34 and 131,563.60 is: 197,245.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,422.48 : 466,898.34 = 131,563.60 : x
  2. Step 2: Convert to fraction form
    311,422.48/466,898.34 = 131,563.60/x
  3. Step 3: Cross multiply
    311,422.48x = 466,898.34 × 131,563.60
  4. Step 4: Simplify right side
    311,422.48x = 61,426,826,444.42
  5. Step 5: Solve for x
    x = 61,426,826,444.42/311,422.48
  6. Step 6: Final answer
    x = 197,245.96

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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.