Home / 236,096.08-325,803.09-128,663.78

Finding the Fourth Proportional to 236,096.08, 325,803.09 and 128,663.78

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Solution

The fourth proportional to 236,096.08, 325,803.09 and 128,663.78 is: 177,550.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,096.08 : 325,803.09 = 128,663.78 : x
  2. Step 2: Convert to fraction form
    236,096.08/325,803.09 = 128,663.78/x
  3. Step 3: Cross multiply
    236,096.08x = 325,803.09 × 128,663.78
  4. Step 4: Simplify right side
    236,096.08x = 41,919,057,095.08
  5. Step 5: Solve for x
    x = 41,919,057,095.08/236,096.08
  6. Step 6: Final answer
    x = 177,550.84

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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.