Home / 167,571.25-231,222.50-99,563.04

Finding the Fourth Proportional to 167,571.25, 231,222.50 and 99,563.04

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Solution

The fourth proportional to 167,571.25, 231,222.50 and 99,563.04 is: 137,381.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,571.25 : 231,222.50 = 99,563.04 : x
  2. Step 2: Convert to fraction form
    167,571.25/231,222.50 = 99,563.04/x
  3. Step 3: Cross multiply
    167,571.25x = 231,222.50 × 99,563.04
  4. Step 4: Simplify right side
    167,571.25x = 23,021,214,891.95
  5. Step 5: Solve for x
    x = 23,021,214,891.95/167,571.25
  6. Step 6: Final answer
    x = 137,381.65

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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.