Home / 395,555.22-593,314.20-129,280.68

Finding the Fourth Proportional to 395,555.22, 593,314.20 and 129,280.68

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Solution

The fourth proportional to 395,555.22, 593,314.20 and 129,280.68 is: 193,914.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,555.22 : 593,314.20 = 129,280.68 : x
  2. Step 2: Convert to fraction form
    395,555.22/593,314.20 = 129,280.68/x
  3. Step 3: Cross multiply
    395,555.22x = 593,314.20 × 129,280.68
  4. Step 4: Simplify right side
    395,555.22x = 76,704,063,229.66
  5. Step 5: Solve for x
    x = 76,704,063,229.66/395,555.22
  6. Step 6: Final answer
    x = 193,914.93

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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.