Home / 237,922.20-356,931.90-80,166.60

Finding the Fourth Proportional to 237,922.20, 356,931.90 and 80,166.60

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Solution

The fourth proportional to 237,922.20, 356,931.90 and 80,166.60 is: 120,266.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,922.20 : 356,931.90 = 80,166.60 : x
  2. Step 2: Convert to fraction form
    237,922.20/356,931.90 = 80,166.60/x
  3. Step 3: Cross multiply
    237,922.20x = 356,931.90 × 80,166.60
  4. Step 4: Simplify right side
    237,922.20x = 28,614,016,854.54
  5. Step 5: Solve for x
    x = 28,614,016,854.54/237,922.20
  6. Step 6: Final answer
    x = 120,266.28

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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.