Home / 236,222.20-325,988.10-128,794.02

Finding the Fourth Proportional to 236,222.20, 325,988.10 and 128,794.02

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Solution

The fourth proportional to 236,222.20, 325,988.10 and 128,794.02 is: 177,736.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,222.20 : 325,988.10 = 128,794.02 : x
  2. Step 2: Convert to fraction form
    236,222.20/325,988.10 = 128,794.02/x
  3. Step 3: Cross multiply
    236,222.20x = 325,988.10 × 128,794.02
  4. Step 4: Simplify right side
    236,222.20x = 41,985,317,871.16
  5. Step 5: Solve for x
    x = 41,985,317,871.16/236,222.20
  6. Step 6: Final answer
    x = 177,736.55

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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.