Home / 352,669.20-529,003.80-186,781.20

Finding the Fourth Proportional to 352,669.20, 529,003.80 and 186,781.20

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Solution

The fourth proportional to 352,669.20, 529,003.80 and 186,781.20 is: 280,171.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,669.20 : 529,003.80 = 186,781.20 : x
  2. Step 2: Convert to fraction form
    352,669.20/529,003.80 = 186,781.20/x
  3. Step 3: Cross multiply
    352,669.20x = 529,003.80 × 186,781.20
  4. Step 4: Simplify right side
    352,669.20x = 98,807,964,568.56
  5. Step 5: Solve for x
    x = 98,807,964,568.56/352,669.20
  6. Step 6: Final answer
    x = 280,171.80

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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.