Home / 321,916.12-444,223.38-178,676.20

Finding the Fourth Proportional to 321,916.12, 444,223.38 and 178,676.20

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Solution

The fourth proportional to 321,916.12, 444,223.38 and 178,676.20 is: 246,561.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,916.12 : 444,223.38 = 178,676.20 : x
  2. Step 2: Convert to fraction form
    321,916.12/444,223.38 = 178,676.20/x
  3. Step 3: Cross multiply
    321,916.12x = 444,223.38 × 178,676.20
  4. Step 4: Simplify right side
    321,916.12x = 79,372,145,489.56
  5. Step 5: Solve for x
    x = 79,372,145,489.56/321,916.12
  6. Step 6: Final answer
    x = 246,561.57

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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.