Home / 236,096.47-325,803.62-128,664.20

Finding the Fourth Proportional to 236,096.47, 325,803.62 and 128,664.20

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Solution

The fourth proportional to 236,096.47, 325,803.62 and 128,664.20 is: 177,551.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,096.47 : 325,803.62 = 128,664.20 : x
  2. Step 2: Convert to fraction form
    236,096.47/325,803.62 = 128,664.20/x
  3. Step 3: Cross multiply
    236,096.47x = 325,803.62 × 128,664.20
  4. Step 4: Simplify right side
    236,096.47x = 41,919,261,427.93
  5. Step 5: Solve for x
    x = 41,919,261,427.93/236,096.47
  6. Step 6: Final answer
    x = 177,551.41

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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.