Home / 319,836.38-479,757.02-109,476.14

Finding the Fourth Proportional to 319,836.38, 479,757.02 and 109,476.14

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Solution

The fourth proportional to 319,836.38, 479,757.02 and 109,476.14 is: 164,215.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,836.38 : 479,757.02 = 109,476.14 : x
  2. Step 2: Convert to fraction form
    319,836.38/479,757.02 = 109,476.14/x
  3. Step 3: Cross multiply
    319,836.38x = 479,757.02 × 109,476.14
  4. Step 4: Simplify right side
    319,836.38x = 52,521,943,741.34
  5. Step 5: Solve for x
    x = 52,521,943,741.34/319,836.38
  6. Step 6: Final answer
    x = 164,215.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.