Home / 319,936.16-479,854.92-106,707.80

Finding the Fourth Proportional to 319,936.16, 479,854.92 and 106,707.80

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Solution

The fourth proportional to 319,936.16, 479,854.92 and 106,707.80 is: 160,045.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,936.16 : 479,854.92 = 106,707.80 : x
  2. Step 2: Convert to fraction form
    319,936.16/479,854.92 = 106,707.80/x
  3. Step 3: Cross multiply
    319,936.16x = 479,854.92 × 106,707.80
  4. Step 4: Simplify right side
    319,936.16x = 51,204,262,832.38
  5. Step 5: Solve for x
    x = 51,204,262,832.38/319,936.16
  6. Step 6: Final answer
    x = 160,045.25

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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.