Home / 237,890.55-356,836.45-80,229.75

Finding the Fourth Proportional to 237,890.55, 356,836.45 and 80,229.75

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Solution

The fourth proportional to 237,890.55, 356,836.45 and 80,229.75 is: 120,344.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,890.55 : 356,836.45 = 80,229.75 : x
  2. Step 2: Convert to fraction form
    237,890.55/356,836.45 = 80,229.75/x
  3. Step 3: Cross multiply
    237,890.55x = 356,836.45 × 80,229.75
  4. Step 4: Simplify right side
    237,890.55x = 28,628,900,066.48
  5. Step 5: Solve for x
    x = 28,628,900,066.48/237,890.55
  6. Step 6: Final answer
    x = 120,344.84

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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.