Home / 141,961.66-212,942.49-36,780.64

Finding the Fourth Proportional to 141,961.66, 212,942.49 and 36,780.64

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Solution

The fourth proportional to 141,961.66, 212,942.49 and 36,780.64 is: 55,170.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,961.66 : 212,942.49 = 36,780.64 : x
  2. Step 2: Convert to fraction form
    141,961.66/212,942.49 = 36,780.64/x
  3. Step 3: Cross multiply
    141,961.66x = 212,942.49 × 36,780.64
  4. Step 4: Simplify right side
    141,961.66x = 7,832,161,065.39
  5. Step 5: Solve for x
    x = 7,832,161,065.39/141,961.66
  6. Step 6: Final answer
    x = 55,170.96

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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.