Home / 451,185.30-676,819.71-147,581.19

Finding the Fourth Proportional to 451,185.30, 676,819.71 and 147,581.19

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Solution

The fourth proportional to 451,185.30, 676,819.71 and 147,581.19 is: 221,385.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,185.30 : 676,819.71 = 147,581.19 : x
  2. Step 2: Convert to fraction form
    451,185.30/676,819.71 = 147,581.19/x
  3. Step 3: Cross multiply
    451,185.30x = 676,819.71 × 147,581.19
  4. Step 4: Simplify right side
    451,185.30x = 99,885,858,217.25
  5. Step 5: Solve for x
    x = 99,885,858,217.25/451,185.30
  6. Step 6: Final answer
    x = 221,385.44

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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.