Home / 236,221.69-325,987.41-128,793.52

Finding the Fourth Proportional to 236,221.69, 325,987.41 and 128,793.52

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Solution

The fourth proportional to 236,221.69, 325,987.41 and 128,793.52 is: 177,735.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,221.69 : 325,987.41 = 128,793.52 : x
  2. Step 2: Convert to fraction form
    236,221.69/325,987.41 = 128,793.52/x
  3. Step 3: Cross multiply
    236,221.69x = 325,987.41 × 128,793.52
  4. Step 4: Simplify right side
    236,221.69x = 41,985,066,009.58
  5. Step 5: Solve for x
    x = 41,985,066,009.58/236,221.69
  6. Step 6: Final answer
    x = 177,735.86

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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.