Home / 126,765.63-174,975.48-73,086.48

Finding the Fourth Proportional to 126,765.63, 174,975.48 and 73,086.48

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Solution

The fourth proportional to 126,765.63, 174,975.48 and 73,086.48 is: 100,881.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,765.63 : 174,975.48 = 73,086.48 : x
  2. Step 2: Convert to fraction form
    126,765.63/174,975.48 = 73,086.48/x
  3. Step 3: Cross multiply
    126,765.63x = 174,975.48 × 73,086.48
  4. Step 4: Simplify right side
    126,765.63x = 12,788,341,919.51
  5. Step 5: Solve for x
    x = 12,788,341,919.51/126,765.63
  6. Step 6: Final answer
    x = 100,881.78

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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.