Home / 230,656.67-318,251.97-140,010.38

Finding the Fourth Proportional to 230,656.67, 318,251.97 and 140,010.38

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Solution

The fourth proportional to 230,656.67, 318,251.97 and 140,010.38 is: 193,181.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,656.67 : 318,251.97 = 140,010.38 : x
  2. Step 2: Convert to fraction form
    230,656.67/318,251.97 = 140,010.38/x
  3. Step 3: Cross multiply
    230,656.67x = 318,251.97 × 140,010.38
  4. Step 4: Simplify right side
    230,656.67x = 44,558,579,255.45
  5. Step 5: Solve for x
    x = 44,558,579,255.45/230,656.67
  6. Step 6: Final answer
    x = 193,181.40

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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.