Home / 236,086.22-325,798.94-128,656.22

Finding the Fourth Proportional to 236,086.22, 325,798.94 and 128,656.22

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Solution

The fourth proportional to 236,086.22, 325,798.94 and 128,656.22 is: 177,545.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,086.22 : 325,798.94 = 128,656.22 : x
  2. Step 2: Convert to fraction form
    236,086.22/325,798.94 = 128,656.22/x
  3. Step 3: Cross multiply
    236,086.22x = 325,798.94 × 128,656.22
  4. Step 4: Simplify right side
    236,086.22x = 41,916,060,100.41
  5. Step 5: Solve for x
    x = 41,916,060,100.41/236,086.22
  6. Step 6: Final answer
    x = 177,545.56

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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.