Home / 284,100.07-426,076.39-84,373.51

Finding the Fourth Proportional to 284,100.07, 426,076.39 and 84,373.51

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Solution

The fourth proportional to 284,100.07, 426,076.39 and 84,373.51 is: 126,538.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,100.07 : 426,076.39 = 84,373.51 : x
  2. Step 2: Convert to fraction form
    284,100.07/426,076.39 = 84,373.51/x
  3. Step 3: Cross multiply
    284,100.07x = 426,076.39 × 84,373.51
  4. Step 4: Simplify right side
    284,100.07x = 35,949,560,552.43
  5. Step 5: Solve for x
    x = 35,949,560,552.43/284,100.07
  6. Step 6: Final answer
    x = 126,538.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.