Home / 234,961.50-324,247.49-127,531.54

Finding the Fourth Proportional to 234,961.50, 324,247.49 and 127,531.54

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Solution

The fourth proportional to 234,961.50, 324,247.49 and 127,531.54 is: 175,993.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,961.50 : 324,247.49 = 127,531.54 : x
  2. Step 2: Convert to fraction form
    234,961.50/324,247.49 = 127,531.54/x
  3. Step 3: Cross multiply
    234,961.50x = 324,247.49 × 127,531.54
  4. Step 4: Simplify right side
    234,961.50x = 41,351,781,740.83
  5. Step 5: Solve for x
    x = 41,351,781,740.83/234,961.50
  6. Step 6: Final answer
    x = 175,993.86

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1.5x scale

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.