Home / 236,091.54-325,798.05-128,659.38

Finding the Fourth Proportional to 236,091.54, 325,798.05 and 128,659.38

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Solution

The fourth proportional to 236,091.54, 325,798.05 and 128,659.38 is: 177,545.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,091.54 : 325,798.05 = 128,659.38 : x
  2. Step 2: Convert to fraction form
    236,091.54/325,798.05 = 128,659.38/x
  3. Step 3: Cross multiply
    236,091.54x = 325,798.05 × 128,659.38
  4. Step 4: Simplify right side
    236,091.54x = 41,916,975,118.21
  5. Step 5: Solve for x
    x = 41,916,975,118.21/236,091.54
  6. Step 6: Final answer
    x = 177,545.43

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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.