Home / 236,225.60-325,991.52-128,795.84

Finding the Fourth Proportional to 236,225.60, 325,991.52 and 128,795.84

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Solution

The fourth proportional to 236,225.60, 325,991.52 and 128,795.84 is: 177,738.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,225.60 : 325,991.52 = 128,795.84 : x
  2. Step 2: Convert to fraction form
    236,225.60/325,991.52 = 128,795.84/x
  3. Step 3: Cross multiply
    236,225.60x = 325,991.52 × 128,795.84
  4. Step 4: Simplify right side
    236,225.60x = 41,986,351,651.28
  5. Step 5: Solve for x
    x = 41,986,351,651.28/236,225.60
  6. Step 6: Final answer
    x = 177,738.36

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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.