Home / 357,770.45-493,735.06-196,631.21

Finding the Fourth Proportional to 357,770.45, 493,735.06 and 196,631.21

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Solution

The fourth proportional to 357,770.45, 493,735.06 and 196,631.21 is: 271,357.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,770.45 : 493,735.06 = 196,631.21 : x
  2. Step 2: Convert to fraction form
    357,770.45/493,735.06 = 196,631.21/x
  3. Step 3: Cross multiply
    357,770.45x = 493,735.06 × 196,631.21
  4. Step 4: Simplify right side
    357,770.45x = 97,083,723,747.35
  5. Step 5: Solve for x
    x = 97,083,723,747.35/357,770.45
  6. Step 6: Final answer
    x = 271,357.58

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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.