Home / 226,531.41-312,606.72-124,556.78

Finding the Fourth Proportional to 226,531.41, 312,606.72 and 124,556.78

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Solution

The fourth proportional to 226,531.41, 312,606.72 and 124,556.78 is: 171,884.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,531.41 : 312,606.72 = 124,556.78 : x
  2. Step 2: Convert to fraction form
    226,531.41/312,606.72 = 124,556.78/x
  3. Step 3: Cross multiply
    226,531.41x = 312,606.72 × 124,556.78
  4. Step 4: Simplify right side
    226,531.41x = 38,937,284,886.53
  5. Step 5: Solve for x
    x = 38,937,284,886.53/226,531.41
  6. Step 6: Final answer
    x = 171,884.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.