Home / 236,245.60-326,006.94-128,814.76

Finding the Fourth Proportional to 236,245.60, 326,006.94 and 128,814.76

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Solution

The fourth proportional to 236,245.60, 326,006.94 and 128,814.76 is: 177,757.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,245.60 : 326,006.94 = 128,814.76 : x
  2. Step 2: Convert to fraction form
    236,245.60/326,006.94 = 128,814.76/x
  3. Step 3: Cross multiply
    236,245.60x = 326,006.94 × 128,814.76
  4. Step 4: Simplify right side
    236,245.60x = 41,994,505,734.43
  5. Step 5: Solve for x
    x = 41,994,505,734.43/236,245.60
  6. Step 6: Final answer
    x = 177,757.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.