Home / 204,918.30-307,049.40-134,715.60

Finding the Fourth Proportional to 204,918.30, 307,049.40 and 134,715.60

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Solution

The fourth proportional to 204,918.30, 307,049.40 and 134,715.60 is: 201,857.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,918.30 : 307,049.40 = 134,715.60 : x
  2. Step 2: Convert to fraction form
    204,918.30/307,049.40 = 134,715.60/x
  3. Step 3: Cross multiply
    204,918.30x = 307,049.40 × 134,715.60
  4. Step 4: Simplify right side
    204,918.30x = 41,364,344,150.64
  5. Step 5: Solve for x
    x = 41,364,344,150.64/204,918.30
  6. Step 6: Final answer
    x = 201,857.74

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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.