Home / 236,200.84-325,959.62-128,770.28

Finding the Fourth Proportional to 236,200.84, 325,959.62 and 128,770.28

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Solution

The fourth proportional to 236,200.84, 325,959.62 and 128,770.28 is: 177,704.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,200.84 : 325,959.62 = 128,770.28 : x
  2. Step 2: Convert to fraction form
    236,200.84/325,959.62 = 128,770.28/x
  3. Step 3: Cross multiply
    236,200.84x = 325,959.62 × 128,770.28
  4. Step 4: Simplify right side
    236,200.84x = 41,973,911,536.09
  5. Step 5: Solve for x
    x = 41,973,911,536.09/236,200.84
  6. Step 6: Final answer
    x = 177,704.33

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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.