Home / 146,537.12-219,805.92-53,021.12

Finding the Fourth Proportional to 146,537.12, 219,805.92 and 53,021.12

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Solution

The fourth proportional to 146,537.12, 219,805.92 and 53,021.12 is: 79,531.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,537.12 : 219,805.92 = 53,021.12 : x
  2. Step 2: Convert to fraction form
    146,537.12/219,805.92 = 53,021.12/x
  3. Step 3: Cross multiply
    146,537.12x = 219,805.92 × 53,021.12
  4. Step 4: Simplify right side
    146,537.12x = 11,654,356,061.03
  5. Step 5: Solve for x
    x = 11,654,356,061.03/146,537.12
  6. Step 6: Final answer
    x = 79,531.77

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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.