Home / 357,905.22-493,902.66-196,758.82

Finding the Fourth Proportional to 357,905.22, 493,902.66 and 196,758.82

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Solution

The fourth proportional to 357,905.22, 493,902.66 and 196,758.82 is: 271,523.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,905.22 : 493,902.66 = 196,758.82 : x
  2. Step 2: Convert to fraction form
    357,905.22/493,902.66 = 196,758.82/x
  3. Step 3: Cross multiply
    357,905.22x = 493,902.66 × 196,758.82
  4. Step 4: Simplify right side
    357,905.22x = 97,179,704,576.46
  5. Step 5: Solve for x
    x = 97,179,704,576.46/357,905.22
  6. Step 6: Final answer
    x = 271,523.57

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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.