Home / 230,343.06-345,563.78-80,588.23

Finding the Fourth Proportional to 230,343.06, 345,563.78 and 80,588.23

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Solution

The fourth proportional to 230,343.06, 345,563.78 and 80,588.23 is: 120,899.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,343.06 : 345,563.78 = 80,588.23 : x
  2. Step 2: Convert to fraction form
    230,343.06/345,563.78 = 80,588.23/x
  3. Step 3: Cross multiply
    230,343.06x = 345,563.78 × 80,588.23
  4. Step 4: Simplify right side
    230,343.06x = 27,848,373,382.31
  5. Step 5: Solve for x
    x = 27,848,373,382.31/230,343.06
  6. Step 6: Final answer
    x = 120,899.55

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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.