Home / 231,585.75-319,588.35-125,601.75

Finding the Fourth Proportional to 231,585.75, 319,588.35 and 125,601.75

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Solution

The fourth proportional to 231,585.75, 319,588.35 and 125,601.75 is: 173,330.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,585.75 : 319,588.35 = 125,601.75 : x
  2. Step 2: Convert to fraction form
    231,585.75/319,588.35 = 125,601.75/x
  3. Step 3: Cross multiply
    231,585.75x = 319,588.35 × 125,601.75
  4. Step 4: Simplify right side
    231,585.75x = 40,140,856,039.61
  5. Step 5: Solve for x
    x = 40,140,856,039.61/231,585.75
  6. Step 6: Final answer
    x = 173,330.42

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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.