Home / 395,627.12-593,461.20-115,166.24

Finding the Fourth Proportional to 395,627.12, 593,461.20 and 115,166.24

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Solution

The fourth proportional to 395,627.12, 593,461.20 and 115,166.24 is: 172,755.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,627.12 : 593,461.20 = 115,166.24 : x
  2. Step 2: Convert to fraction form
    395,627.12/593,461.20 = 115,166.24/x
  3. Step 3: Cross multiply
    395,627.12x = 593,461.20 × 115,166.24
  4. Step 4: Simplify right side
    395,627.12x = 68,346,694,989.89
  5. Step 5: Solve for x
    x = 68,346,694,989.89/395,627.12
  6. Step 6: Final answer
    x = 172,755.33

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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.