Home / 141,832.31-212,784.92-53,087.09

Finding the Fourth Proportional to 141,832.31, 212,784.92 and 53,087.09

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Solution

The fourth proportional to 141,832.31, 212,784.92 and 53,087.09 is: 79,644.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,832.31 : 212,784.92 = 53,087.09 : x
  2. Step 2: Convert to fraction form
    141,832.31/212,784.92 = 53,087.09/x
  3. Step 3: Cross multiply
    141,832.31x = 212,784.92 × 53,087.09
  4. Step 4: Simplify right side
    141,832.31x = 11,296,132,863.36
  5. Step 5: Solve for x
    x = 11,296,132,863.36/141,832.31
  6. Step 6: Final answer
    x = 79,644.28

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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.