Home / 276,759.83-415,198.07-89,756.75

Finding the Fourth Proportional to 276,759.83, 415,198.07 and 89,756.75

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Solution

The fourth proportional to 276,759.83, 415,198.07 and 89,756.75 is: 134,654.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,759.83 : 415,198.07 = 89,756.75 : x
  2. Step 2: Convert to fraction form
    276,759.83/415,198.07 = 89,756.75/x
  3. Step 3: Cross multiply
    276,759.83x = 415,198.07 × 89,756.75
  4. Step 4: Simplify right side
    276,759.83x = 37,266,829,369.47
  5. Step 5: Solve for x
    x = 37,266,829,369.47/276,759.83
  6. Step 6: Final answer
    x = 134,654.04

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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.