Home / 319,837.38-479,758.52-109,477.14

Finding the Fourth Proportional to 319,837.38, 479,758.52 and 109,477.14

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Solution

The fourth proportional to 319,837.38, 479,758.52 and 109,477.14 is: 164,216.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,837.38 : 479,758.52 = 109,477.14 : x
  2. Step 2: Convert to fraction form
    319,837.38/479,758.52 = 109,477.14/x
  3. Step 3: Cross multiply
    319,837.38x = 479,758.52 × 109,477.14
  4. Step 4: Simplify right side
    319,837.38x = 52,522,590,660.23
  5. Step 5: Solve for x
    x = 52,522,590,660.23/319,837.38
  6. Step 6: Final answer
    x = 164,216.55

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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.