Home / 126,740.14-174,940.30-73,060.98

Finding the Fourth Proportional to 126,740.14, 174,940.30 and 73,060.98

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Solution

The fourth proportional to 126,740.14, 174,940.30 and 73,060.98 is: 100,846.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,740.14 : 174,940.30 = 73,060.98 : x
  2. Step 2: Convert to fraction form
    126,740.14/174,940.30 = 73,060.98/x
  3. Step 3: Cross multiply
    126,740.14x = 174,940.30 × 73,060.98
  4. Step 4: Simplify right side
    126,740.14x = 12,781,309,759.49
  5. Step 5: Solve for x
    x = 12,781,309,759.49/126,740.14
  6. Step 6: Final answer
    x = 100,846.58

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1.5x scale

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.