Home / 236,093.20-325,812.18-128,662.90

Finding the Fourth Proportional to 236,093.20, 325,812.18 and 128,662.90

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Solution

The fourth proportional to 236,093.20, 325,812.18 and 128,662.90 is: 177,556.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,093.20 : 325,812.18 = 128,662.90 : x
  2. Step 2: Convert to fraction form
    236,093.20/325,812.18 = 128,662.90/x
  3. Step 3: Cross multiply
    236,093.20x = 325,812.18 × 128,662.90
  4. Step 4: Simplify right side
    236,093.20x = 41,919,939,934.12
  5. Step 5: Solve for x
    x = 41,919,939,934.12/236,093.20
  6. Step 6: Final answer
    x = 177,556.74

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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.