Home / 214,311.02-321,425.42-107,666.42

Finding the Fourth Proportional to 214,311.02, 321,425.42 and 107,666.42

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Solution

The fourth proportional to 214,311.02, 321,425.42 and 107,666.42 is: 161,478.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,311.02 : 321,425.42 = 107,666.42 : x
  2. Step 2: Convert to fraction form
    214,311.02/321,425.42 = 107,666.42/x
  3. Step 3: Cross multiply
    214,311.02x = 321,425.42 × 107,666.42
  4. Step 4: Simplify right side
    214,311.02x = 34,606,722,122.94
  5. Step 5: Solve for x
    x = 34,606,722,122.94/214,311.02
  6. Step 6: Final answer
    x = 161,478.97

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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.