Home / 231,556.30-319,610.55-136,093.66

Finding the Fourth Proportional to 231,556.30, 319,610.55 and 136,093.66

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Solution

The fourth proportional to 231,556.30, 319,610.55 and 136,093.66 is: 187,846.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,556.30 : 319,610.55 = 136,093.66 : x
  2. Step 2: Convert to fraction form
    231,556.30/319,610.55 = 136,093.66/x
  3. Step 3: Cross multiply
    231,556.30x = 319,610.55 × 136,093.66
  4. Step 4: Simplify right side
    231,556.30x = 43,496,969,524.11
  5. Step 5: Solve for x
    x = 43,496,969,524.11/231,556.30
  6. Step 6: Final answer
    x = 187,846.19

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1.5x scale

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.