Home / 230,341.06-345,560.78-80,586.23

Finding the Fourth Proportional to 230,341.06, 345,560.78 and 80,586.23

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Solution

The fourth proportional to 230,341.06, 345,560.78 and 80,586.23 is: 120,896.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,341.06 : 345,560.78 = 80,586.23 : x
  2. Step 2: Convert to fraction form
    230,341.06/345,560.78 = 80,586.23/x
  3. Step 3: Cross multiply
    230,341.06x = 345,560.78 × 80,586.23
  4. Step 4: Simplify right side
    230,341.06x = 27,847,441,561.43
  5. Step 5: Solve for x
    x = 27,847,441,561.43/230,341.06
  6. Step 6: Final answer
    x = 120,896.56

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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.