Home / 236,177.12-325,922.28-128,747.10

Finding the Fourth Proportional to 236,177.12, 325,922.28 and 128,747.10

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Solution

The fourth proportional to 236,177.12, 325,922.28 and 128,747.10 is: 177,669.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,177.12 : 325,922.28 = 128,747.10 : x
  2. Step 2: Convert to fraction form
    236,177.12/325,922.28 = 128,747.10/x
  3. Step 3: Cross multiply
    236,177.12x = 325,922.28 × 128,747.10
  4. Step 4: Simplify right side
    236,177.12x = 41,961,548,375.39
  5. Step 5: Solve for x
    x = 41,961,548,375.39/236,177.12
  6. Step 6: Final answer
    x = 177,669.83

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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.