Home / 231,748.75-319,813.28-125,764.75

Finding the Fourth Proportional to 231,748.75, 319,813.28 and 125,764.75

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Solution

The fourth proportional to 231,748.75, 319,813.28 and 125,764.75 is: 173,555.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,748.75 : 319,813.28 = 125,764.75 : x
  2. Step 2: Convert to fraction form
    231,748.75/319,813.28 = 125,764.75/x
  3. Step 3: Cross multiply
    231,748.75x = 319,813.28 × 125,764.75
  4. Step 4: Simplify right side
    231,748.75x = 40,221,236,577.06
  5. Step 5: Solve for x
    x = 40,221,236,577.06/231,748.75
  6. Step 6: Final answer
    x = 173,555.36

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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.