Home / 141,383.42-212,226.20-57,198.61

Finding the Fourth Proportional to 141,383.42, 212,226.20 and 57,198.61

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Solution

The fourth proportional to 141,383.42, 212,226.20 and 57,198.61 is: 85,859.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,383.42 : 212,226.20 = 57,198.61 : x
  2. Step 2: Convert to fraction form
    141,383.42/212,226.20 = 57,198.61/x
  3. Step 3: Cross multiply
    141,383.42x = 212,226.20 × 57,198.61
  4. Step 4: Simplify right side
    141,383.42x = 12,139,042,806.47
  5. Step 5: Solve for x
    x = 12,139,042,806.47/141,383.42
  6. Step 6: Final answer
    x = 85,859.02

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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.