Home / 351,012.38-526,324.08-163,921.82

Finding the Fourth Proportional to 351,012.38, 526,324.08 and 163,921.82

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Solution

The fourth proportional to 351,012.38, 526,324.08 and 163,921.82 is: 245,791.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,012.38 : 526,324.08 = 163,921.82 : x
  2. Step 2: Convert to fraction form
    351,012.38/526,324.08 = 163,921.82/x
  3. Step 3: Cross multiply
    351,012.38x = 526,324.08 × 163,921.82
  4. Step 4: Simplify right side
    351,012.38x = 86,276,001,103.43
  5. Step 5: Solve for x
    x = 86,276,001,103.43/351,012.38
  6. Step 6: Final answer
    x = 245,791.90

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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.