Home / 126,739.28-174,908.76-73,022.96

Finding the Fourth Proportional to 126,739.28, 174,908.76 and 73,022.96

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Solution

The fourth proportional to 126,739.28, 174,908.76 and 73,022.96 is: 100,776.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,739.28 : 174,908.76 = 73,022.96 : x
  2. Step 2: Convert to fraction form
    126,739.28/174,908.76 = 73,022.96/x
  3. Step 3: Cross multiply
    126,739.28x = 174,908.76 × 73,022.96
  4. Step 4: Simplify right side
    126,739.28x = 12,772,355,385.13
  5. Step 5: Solve for x
    x = 12,772,355,385.13/126,739.28
  6. Step 6: Final answer
    x = 100,776.61

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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.