Home / 349,857.12-482,804.85-196,898.34

Finding the Fourth Proportional to 349,857.12, 482,804.85 and 196,898.34

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Solution

The fourth proportional to 349,857.12, 482,804.85 and 196,898.34 is: 271,720.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,857.12 : 482,804.85 = 196,898.34 : x
  2. Step 2: Convert to fraction form
    349,857.12/482,804.85 = 196,898.34/x
  3. Step 3: Cross multiply
    349,857.12x = 482,804.85 × 196,898.34
  4. Step 4: Simplify right side
    349,857.12x = 95,063,476,057.84
  5. Step 5: Solve for x
    x = 95,063,476,057.84/349,857.12
  6. Step 6: Final answer
    x = 271,720.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.