Home / 457,141.33-685,757.07-157,582.47

Finding the Fourth Proportional to 457,141.33, 685,757.07 and 157,582.47

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Solution

The fourth proportional to 457,141.33, 685,757.07 and 157,582.47 is: 236,389.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,141.33 : 685,757.07 = 157,582.47 : x
  2. Step 2: Convert to fraction form
    457,141.33/685,757.07 = 157,582.47/x
  3. Step 3: Cross multiply
    457,141.33x = 685,757.07 × 157,582.47
  4. Step 4: Simplify right side
    457,141.33x = 108,063,289,481.78
  5. Step 5: Solve for x
    x = 108,063,289,481.78/457,141.33
  6. Step 6: Final answer
    x = 236,389.24

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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.