Home / 269,526.20-404,289.30-82,537.40

Finding the Fourth Proportional to 269,526.20, 404,289.30 and 82,537.40

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Solution

The fourth proportional to 269,526.20, 404,289.30 and 82,537.40 is: 123,806.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,526.20 : 404,289.30 = 82,537.40 : x
  2. Step 2: Convert to fraction form
    269,526.20/404,289.30 = 82,537.40/x
  3. Step 3: Cross multiply
    269,526.20x = 404,289.30 × 82,537.40
  4. Step 4: Simplify right side
    269,526.20x = 33,368,987,669.82
  5. Step 5: Solve for x
    x = 33,368,987,669.82/269,526.20
  6. Step 6: Final answer
    x = 123,806.10

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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.