Home / 397,986.60-596,105.10-161,207.40

Finding the Fourth Proportional to 397,986.60, 596,105.10 and 161,207.40

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Solution

The fourth proportional to 397,986.60, 596,105.10 and 161,207.40 is: 241,456.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,986.60 : 596,105.10 = 161,207.40 : x
  2. Step 2: Convert to fraction form
    397,986.60/596,105.10 = 161,207.40/x
  3. Step 3: Cross multiply
    397,986.60x = 596,105.10 × 161,207.40
  4. Step 4: Simplify right side
    397,986.60x = 96,096,553,297.74
  5. Step 5: Solve for x
    x = 96,096,553,297.74/397,986.60
  6. Step 6: Final answer
    x = 241,456.76

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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.