Home / 352,654.20-528,927.30-115,997.40

Finding the Fourth Proportional to 352,654.20, 528,927.30 and 115,997.40

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Solution

The fourth proportional to 352,654.20, 528,927.30 and 115,997.40 is: 173,978.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,654.20 : 528,927.30 = 115,997.40 : x
  2. Step 2: Convert to fraction form
    352,654.20/528,927.30 = 115,997.40/x
  3. Step 3: Cross multiply
    352,654.20x = 528,927.30 × 115,997.40
  4. Step 4: Simplify right side
    352,654.20x = 61,354,191,589.02
  5. Step 5: Solve for x
    x = 61,354,191,589.02/352,654.20
  6. Step 6: Final answer
    x = 173,978.34

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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.