Home / 231,305.81-319,382.93-177,505.61

Finding the Fourth Proportional to 231,305.81, 319,382.93 and 177,505.61

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Solution

The fourth proportional to 231,305.81, 319,382.93 and 177,505.61 is: 245,096.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,305.81 : 319,382.93 = 177,505.61 : x
  2. Step 2: Convert to fraction form
    231,305.81/319,382.93 = 177,505.61/x
  3. Step 3: Cross multiply
    231,305.81x = 319,382.93 × 177,505.61
  4. Step 4: Simplify right side
    231,305.81x = 56,692,260,660.09
  5. Step 5: Solve for x
    x = 56,692,260,660.09/231,305.81
  6. Step 6: Final answer
    x = 245,096.58

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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.