Home / 357,916.50-493,912.18-196,770.38

Finding the Fourth Proportional to 357,916.50, 493,912.18 and 196,770.38

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Solution

The fourth proportional to 357,916.50, 493,912.18 and 196,770.38 is: 271,536.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,916.50 : 493,912.18 = 196,770.38 : x
  2. Step 2: Convert to fraction form
    357,916.50/493,912.18 = 196,770.38/x
  3. Step 3: Cross multiply
    357,916.50x = 493,912.18 × 196,770.38
  4. Step 4: Simplify right side
    357,916.50x = 97,187,287,345.23
  5. Step 5: Solve for x
    x = 97,187,287,345.23/357,916.50
  6. Step 6: Final answer
    x = 271,536.20

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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.