Home / 385,192.56-531,736.00-230,198.56

Finding the Fourth Proportional to 385,192.56, 531,736.00 and 230,198.56

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Solution

The fourth proportional to 385,192.56, 531,736.00 and 230,198.56 is: 317,775.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,192.56 : 531,736.00 = 230,198.56 : x
  2. Step 2: Convert to fraction form
    385,192.56/531,736.00 = 230,198.56/x
  3. Step 3: Cross multiply
    385,192.56x = 531,736.00 × 230,198.56
  4. Step 4: Simplify right side
    385,192.56x = 122,404,859,595.32
  5. Step 5: Solve for x
    x = 122,404,859,595.32/385,192.56
  6. Step 6: Final answer
    x = 317,775.76

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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.