Home / 126,770.96-174,943.62-73,055.51

Finding the Fourth Proportional to 126,770.96, 174,943.62 and 73,055.51

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Solution

The fourth proportional to 126,770.96, 174,943.62 and 73,055.51 is: 100,816.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,770.96 : 174,943.62 = 73,055.51 : x
  2. Step 2: Convert to fraction form
    126,770.96/174,943.62 = 73,055.51/x
  3. Step 3: Cross multiply
    126,770.96x = 174,943.62 × 73,055.51
  4. Step 4: Simplify right side
    126,770.96x = 12,780,594,505.63
  5. Step 5: Solve for x
    x = 12,780,594,505.63/126,770.96
  6. Step 6: Final answer
    x = 100,816.43

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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.