Home / 229,981.48-344,855.34-105,215.56

Finding the Fourth Proportional to 229,981.48, 344,855.34 and 105,215.56

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Solution

The fourth proportional to 229,981.48, 344,855.34 and 105,215.56 is: 157,769.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,981.48 : 344,855.34 = 105,215.56 : x
  2. Step 2: Convert to fraction form
    229,981.48/344,855.34 = 105,215.56/x
  3. Step 3: Cross multiply
    229,981.48x = 344,855.34 × 105,215.56
  4. Step 4: Simplify right side
    229,981.48x = 36,284,147,717.09
  5. Step 5: Solve for x
    x = 36,284,147,717.09/229,981.48
  6. Step 6: Final answer
    x = 157,769.87

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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.