Home / 146,721.79-220,097.27-53,234.83

Finding the Fourth Proportional to 146,721.79, 220,097.27 and 53,234.83

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Solution

The fourth proportional to 146,721.79, 220,097.27 and 53,234.83 is: 79,857.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,721.79 : 220,097.27 = 53,234.83 : x
  2. Step 2: Convert to fraction form
    146,721.79/220,097.27 = 53,234.83/x
  3. Step 3: Cross multiply
    146,721.79x = 220,097.27 × 53,234.83
  4. Step 4: Simplify right side
    146,721.79x = 11,716,840,751.91
  5. Step 5: Solve for x
    x = 11,716,840,751.91/146,721.79
  6. Step 6: Final answer
    x = 79,857.54

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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.