Home / 457,175.22-685,795.68-157,651.48

Finding the Fourth Proportional to 457,175.22, 685,795.68 and 157,651.48

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Solution

The fourth proportional to 457,175.22, 685,795.68 and 157,651.48 is: 236,488.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,175.22 : 685,795.68 = 157,651.48 : x
  2. Step 2: Convert to fraction form
    457,175.22/685,795.68 = 157,651.48/x
  3. Step 3: Cross multiply
    457,175.22x = 685,795.68 × 157,651.48
  4. Step 4: Simplify right side
    457,175.22x = 108,116,699,712.37
  5. Step 5: Solve for x
    x = 108,116,699,712.37/457,175.22
  6. Step 6: Final answer
    x = 236,488.54

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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.