Home / 126,772.46-174,945.69-73,057.01

Finding the Fourth Proportional to 126,772.46, 174,945.69 and 73,057.01

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Solution

The fourth proportional to 126,772.46, 174,945.69 and 73,057.01 is: 100,818.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,772.46 : 174,945.69 = 73,057.01 : x
  2. Step 2: Convert to fraction form
    126,772.46/174,945.69 = 73,057.01/x
  3. Step 3: Cross multiply
    126,772.46x = 174,945.69 × 73,057.01
  4. Step 4: Simplify right side
    126,772.46x = 12,781,008,149.06
  5. Step 5: Solve for x
    x = 12,781,008,149.06/126,772.46
  6. Step 6: Final answer
    x = 100,818.50

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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.