Home / 231,324.10-347,504.55-221,877.70

Finding the Fourth Proportional to 231,324.10, 347,504.55 and 221,877.70

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Solution

The fourth proportional to 231,324.10, 347,504.55 and 221,877.70 is: 333,313.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,324.10 : 347,504.55 = 221,877.70 : x
  2. Step 2: Convert to fraction form
    231,324.10/347,504.55 = 221,877.70/x
  3. Step 3: Cross multiply
    231,324.10x = 347,504.55 × 221,877.70
  4. Step 4: Simplify right side
    231,324.10x = 77,103,510,293.54
  5. Step 5: Solve for x
    x = 77,103,510,293.54/231,324.10
  6. Step 6: Final answer
    x = 333,313.78

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1.5x scale

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.