Home / 351,538.98-527,307.61-85,299.27

Finding the Fourth Proportional to 351,538.98, 527,307.61 and 85,299.27

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Solution

The fourth proportional to 351,538.98, 527,307.61 and 85,299.27 is: 127,948.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,538.98 : 527,307.61 = 85,299.27 : x
  2. Step 2: Convert to fraction form
    351,538.98/527,307.61 = 85,299.27/x
  3. Step 3: Cross multiply
    351,538.98x = 527,307.61 × 85,299.27
  4. Step 4: Simplify right side
    351,538.98x = 44,978,954,198.44
  5. Step 5: Solve for x
    x = 44,978,954,198.44/351,538.98
  6. Step 6: Final answer
    x = 127,948.70

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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.