Home / 229,124.72-343,605.07-79,324.79

Finding the Fourth Proportional to 229,124.72, 343,605.07 and 79,324.79

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Solution

The fourth proportional to 229,124.72, 343,605.07 and 79,324.79 is: 118,958.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,124.72 : 343,605.07 = 79,324.79 : x
  2. Step 2: Convert to fraction form
    229,124.72/343,605.07 = 79,324.79/x
  3. Step 3: Cross multiply
    229,124.72x = 343,605.07 × 79,324.79
  4. Step 4: Simplify right side
    229,124.72x = 27,256,400,020.69
  5. Step 5: Solve for x
    x = 27,256,400,020.69/229,124.72
  6. Step 6: Final answer
    x = 118,958.79

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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.