Home / 236,180.88-325,917.54-128,740.32

Finding the Fourth Proportional to 236,180.88, 325,917.54 and 128,740.32

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Solution

The fourth proportional to 236,180.88, 325,917.54 and 128,740.32 is: 177,655.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,180.88 : 325,917.54 = 128,740.32 : x
  2. Step 2: Convert to fraction form
    236,180.88/325,917.54 = 128,740.32/x
  3. Step 3: Cross multiply
    236,180.88x = 325,917.54 × 128,740.32
  4. Step 4: Simplify right side
    236,180.88x = 41,958,728,393.21
  5. Step 5: Solve for x
    x = 41,958,728,393.21/236,180.88
  6. Step 6: Final answer
    x = 177,655.06

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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.