Home / 291,046.20-436,569.30-197,734.20

Finding the Fourth Proportional to 291,046.20, 436,569.30 and 197,734.20

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Solution

The fourth proportional to 291,046.20, 436,569.30 and 197,734.20 is: 296,601.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,046.20 : 436,569.30 = 197,734.20 : x
  2. Step 2: Convert to fraction form
    291,046.20/436,569.30 = 197,734.20/x
  3. Step 3: Cross multiply
    291,046.20x = 436,569.30 × 197,734.20
  4. Step 4: Simplify right side
    291,046.20x = 86,324,681,280.06
  5. Step 5: Solve for x
    x = 86,324,681,280.06/291,046.20
  6. Step 6: Final answer
    x = 296,601.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.