Home / 231,998.10-320,311.62-178,186.92

Finding the Fourth Proportional to 231,998.10, 320,311.62 and 178,186.92

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Solution

The fourth proportional to 231,998.10, 320,311.62 and 178,186.92 is: 246,016.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,998.10 : 320,311.62 = 178,186.92 : x
  2. Step 2: Convert to fraction form
    231,998.10/320,311.62 = 178,186.92/x
  3. Step 3: Cross multiply
    231,998.10x = 320,311.62 × 178,186.92
  4. Step 4: Simplify right side
    231,998.10x = 57,075,341,008.01
  5. Step 5: Solve for x
    x = 57,075,341,008.01/231,998.10
  6. Step 6: Final answer
    x = 246,016.42

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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.