Home / 354,765.34-531,865.45-204,835.56

Finding the Fourth Proportional to 354,765.34, 531,865.45 and 204,835.56

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Solution

The fourth proportional to 354,765.34, 531,865.45 and 204,835.56 is: 307,090.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,765.34 : 531,865.45 = 204,835.56 : x
  2. Step 2: Convert to fraction form
    354,765.34/531,865.45 = 204,835.56/x
  3. Step 3: Cross multiply
    354,765.34x = 531,865.45 × 204,835.56
  4. Step 4: Simplify right side
    354,765.34x = 108,944,957,295.40
  5. Step 5: Solve for x
    x = 108,944,957,295.40/354,765.34
  6. Step 6: Final answer
    x = 307,090.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.