Home / 385,191.44-531,734.45-230,197.43

Finding the Fourth Proportional to 385,191.44, 531,734.45 and 230,197.43

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Solution

The fourth proportional to 385,191.44, 531,734.45 and 230,197.43 is: 317,774.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,191.44 : 531,734.45 = 230,197.43 : x
  2. Step 2: Convert to fraction form
    385,191.44/531,734.45 = 230,197.43/x
  3. Step 3: Cross multiply
    385,191.44x = 531,734.45 × 230,197.43
  4. Step 4: Simplify right side
    385,191.44x = 122,403,901,667.24
  5. Step 5: Solve for x
    x = 122,403,901,667.24/385,191.44
  6. Step 6: Final answer
    x = 317,774.20

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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.