Home / 201,325.36-302,221.32-108,013.36

Finding the Fourth Proportional to 201,325.36, 302,221.32 and 108,013.36

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Solution

The fourth proportional to 201,325.36, 302,221.32 and 108,013.36 is: 162,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,325.36 : 302,221.32 = 108,013.36 : x
  2. Step 2: Convert to fraction form
    201,325.36/302,221.32 = 108,013.36/x
  3. Step 3: Cross multiply
    201,325.36x = 302,221.32 × 108,013.36
  4. Step 4: Simplify right side
    201,325.36x = 32,643,940,236.84
  5. Step 5: Solve for x
    x = 32,643,940,236.84/201,325.36
  6. Step 6: Final answer
    x = 162,145.20

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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.