Home / 236,040.05-325,731.03-128,610.83

Finding the Fourth Proportional to 236,040.05, 325,731.03 and 128,610.83

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Solution

The fourth proportional to 236,040.05, 325,731.03 and 128,610.83 is: 177,480.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,040.05 : 325,731.03 = 128,610.83 : x
  2. Step 2: Convert to fraction form
    236,040.05/325,731.03 = 128,610.83/x
  3. Step 3: Cross multiply
    236,040.05x = 325,731.03 × 128,610.83
  4. Step 4: Simplify right side
    236,040.05x = 41,892,538,125.05
  5. Step 5: Solve for x
    x = 41,892,538,125.05/236,040.05
  6. Step 6: Final answer
    x = 177,480.64

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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.