Home / 141,836.31-212,790.92-53,091.09

Finding the Fourth Proportional to 141,836.31, 212,790.92 and 53,091.09

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Solution

The fourth proportional to 141,836.31, 212,790.92 and 53,091.09 is: 79,650.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,836.31 : 212,790.92 = 53,091.09 : x
  2. Step 2: Convert to fraction form
    141,836.31/212,790.92 = 53,091.09/x
  3. Step 3: Cross multiply
    141,836.31x = 212,790.92 × 53,091.09
  4. Step 4: Simplify right side
    141,836.31x = 11,297,301,884.90
  5. Step 5: Solve for x
    x = 11,297,301,884.90/141,836.31
  6. Step 6: Final answer
    x = 79,650.28

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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.