Home / 230,654.67-318,249.21-140,008.38

Finding the Fourth Proportional to 230,654.67, 318,249.21 and 140,008.38

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Solution

The fourth proportional to 230,654.67, 318,249.21 and 140,008.38 is: 193,178.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,654.67 : 318,249.21 = 140,008.38 : x
  2. Step 2: Convert to fraction form
    230,654.67/318,249.21 = 140,008.38/x
  3. Step 3: Cross multiply
    230,654.67x = 318,249.21 × 140,008.38
  4. Step 4: Simplify right side
    230,654.67x = 44,557,554,737.13
  5. Step 5: Solve for x
    x = 44,557,554,737.13/230,654.67
  6. Step 6: Final answer
    x = 193,178.64

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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.