Home / 236,096.58-325,803.78-128,664.28

Finding the Fourth Proportional to 236,096.58, 325,803.78 and 128,664.28

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Solution

The fourth proportional to 236,096.58, 325,803.78 and 128,664.28 is: 177,551.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,096.58 : 325,803.78 = 128,664.28 : x
  2. Step 2: Convert to fraction form
    236,096.58/325,803.78 = 128,664.28/x
  3. Step 3: Cross multiply
    236,096.58x = 325,803.78 × 128,664.28
  4. Step 4: Simplify right side
    236,096.58x = 41,919,308,774.98
  5. Step 5: Solve for x
    x = 41,919,308,774.98/236,096.58
  6. Step 6: Final answer
    x = 177,551.53

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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.