Home / 231,794.06-319,849.35-129,805.34

Finding the Fourth Proportional to 231,794.06, 319,849.35 and 129,805.34

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Solution

The fourth proportional to 231,794.06, 319,849.35 and 129,805.34 is: 179,116.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,794.06 : 319,849.35 = 129,805.34 : x
  2. Step 2: Convert to fraction form
    231,794.06/319,849.35 = 129,805.34/x
  3. Step 3: Cross multiply
    231,794.06x = 319,849.35 × 129,805.34
  4. Step 4: Simplify right side
    231,794.06x = 41,518,153,625.53
  5. Step 5: Solve for x
    x = 41,518,153,625.53/231,794.06
  6. Step 6: Final answer
    x = 179,116.56

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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.