Home / 291,286.70-436,930.05-197,974.70

Finding the Fourth Proportional to 291,286.70, 436,930.05 and 197,974.70

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Solution

The fourth proportional to 291,286.70, 436,930.05 and 197,974.70 is: 296,962.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,286.70 : 436,930.05 = 197,974.70 : x
  2. Step 2: Convert to fraction form
    291,286.70/436,930.05 = 197,974.70/x
  3. Step 3: Cross multiply
    291,286.70x = 436,930.05 × 197,974.70
  4. Step 4: Simplify right side
    291,286.70x = 86,501,095,569.74
  5. Step 5: Solve for x
    x = 86,501,095,569.74/291,286.70
  6. Step 6: Final answer
    x = 296,962.05

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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.