Home / 126,104.68-174,005.22-75,101.80

Finding the Fourth Proportional to 126,104.68, 174,005.22 and 75,101.80

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Solution

The fourth proportional to 126,104.68, 174,005.22 and 75,101.80 is: 103,629.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,104.68 : 174,005.22 = 75,101.80 : x
  2. Step 2: Convert to fraction form
    126,104.68/174,005.22 = 75,101.80/x
  3. Step 3: Cross multiply
    126,104.68x = 174,005.22 × 75,101.80
  4. Step 4: Simplify right side
    126,104.68x = 13,068,105,231.40
  5. Step 5: Solve for x
    x = 13,068,105,231.40/126,104.68
  6. Step 6: Final answer
    x = 103,629.03

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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.