Home / 204,885.55-306,748.78-108,603.38

Finding the Fourth Proportional to 204,885.55, 306,748.78 and 108,603.38

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Solution

The fourth proportional to 204,885.55, 306,748.78 and 108,603.38 is: 162,597.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,885.55 : 306,748.78 = 108,603.38 : x
  2. Step 2: Convert to fraction form
    204,885.55/306,748.78 = 108,603.38/x
  3. Step 3: Cross multiply
    204,885.55x = 306,748.78 × 108,603.38
  4. Step 4: Simplify right side
    204,885.55x = 33,313,954,814.24
  5. Step 5: Solve for x
    x = 33,313,954,814.24/204,885.55
  6. Step 6: Final answer
    x = 162,597.87

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1.5x scale

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.