Home / 260,677.35-391,023.32-92,173.86

Finding the Fourth Proportional to 260,677.35, 391,023.32 and 92,173.86

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Solution

The fourth proportional to 260,677.35, 391,023.32 and 92,173.86 is: 138,263.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,677.35 : 391,023.32 = 92,173.86 : x
  2. Step 2: Convert to fraction form
    260,677.35/391,023.32 = 92,173.86/x
  3. Step 3: Cross multiply
    260,677.35x = 391,023.32 × 92,173.86
  4. Step 4: Simplify right side
    260,677.35x = 36,042,128,293.55
  5. Step 5: Solve for x
    x = 36,042,128,293.55/260,677.35
  6. Step 6: Final answer
    x = 138,263.37

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1.5x scale

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.