Home / 237,815.12-356,777.58-80,039.72

Finding the Fourth Proportional to 237,815.12, 356,777.58 and 80,039.72

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Solution

The fourth proportional to 237,815.12, 356,777.58 and 80,039.72 is: 120,078.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,815.12 : 356,777.58 = 80,039.72 : x
  2. Step 2: Convert to fraction form
    237,815.12/356,777.58 = 80,039.72/x
  3. Step 3: Cross multiply
    237,815.12x = 356,777.58 × 80,039.72
  4. Step 4: Simplify right side
    237,815.12x = 28,556,377,605.48
  5. Step 5: Solve for x
    x = 28,556,377,605.48/237,815.12
  6. Step 6: Final answer
    x = 120,078.06

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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.