Home / 231,296.85-319,013.54-199,086.29

Finding the Fourth Proportional to 231,296.85, 319,013.54 and 199,086.29

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Solution

The fourth proportional to 231,296.85, 319,013.54 and 199,086.29 is: 274,587.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,296.85 : 319,013.54 = 199,086.29 : x
  2. Step 2: Convert to fraction form
    231,296.85/319,013.54 = 199,086.29/x
  3. Step 3: Cross multiply
    231,296.85x = 319,013.54 × 199,086.29
  4. Step 4: Simplify right side
    231,296.85x = 63,511,221,490.74
  5. Step 5: Solve for x
    x = 63,511,221,490.74/231,296.85
  6. Step 6: Final answer
    x = 274,587.49

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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.