Home / 317,280.54-437,845.96-196,397.76

Finding the Fourth Proportional to 317,280.54, 437,845.96 and 196,397.76

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Solution

The fourth proportional to 317,280.54, 437,845.96 and 196,397.76 is: 271,028.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,280.54 : 437,845.96 = 196,397.76 : x
  2. Step 2: Convert to fraction form
    317,280.54/437,845.96 = 196,397.76/x
  3. Step 3: Cross multiply
    317,280.54x = 437,845.96 × 196,397.76
  4. Step 4: Simplify right side
    317,280.54x = 85,991,965,769.05
  5. Step 5: Solve for x
    x = 85,991,965,769.05/317,280.54
  6. Step 6: Final answer
    x = 271,028.18

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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.