Home / 349,390.12-482,175.45-196,476.43

Finding the Fourth Proportional to 349,390.12, 482,175.45 and 196,476.43

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Solution

The fourth proportional to 349,390.12, 482,175.45 and 196,476.43 is: 271,147.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,390.12 : 482,175.45 = 196,476.43 : x
  2. Step 2: Convert to fraction form
    349,390.12/482,175.45 = 196,476.43/x
  3. Step 3: Cross multiply
    349,390.12x = 482,175.45 × 196,476.43
  4. Step 4: Simplify right side
    349,390.12x = 94,736,111,049.64
  5. Step 5: Solve for x
    x = 94,736,111,049.64/349,390.12
  6. Step 6: Final answer
    x = 271,147.08

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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.