Home / 236,238.96-326,003.88-128,811.09

Finding the Fourth Proportional to 236,238.96, 326,003.88 and 128,811.09

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Solution

The fourth proportional to 236,238.96, 326,003.88 and 128,811.09 is: 177,756.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,238.96 : 326,003.88 = 128,811.09 : x
  2. Step 2: Convert to fraction form
    236,238.96/326,003.88 = 128,811.09/x
  3. Step 3: Cross multiply
    236,238.96x = 326,003.88 × 128,811.09
  4. Step 4: Simplify right side
    236,238.96x = 41,992,915,127.03
  5. Step 5: Solve for x
    x = 41,992,915,127.03/236,238.96
  6. Step 6: Final answer
    x = 177,756.10

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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.