Home / 126,192.58-174,145.44-72,481.08

Finding the Fourth Proportional to 126,192.58, 174,145.44 and 72,481.08

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Solution

The fourth proportional to 126,192.58, 174,145.44 and 72,481.08 is: 100,023.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,192.58 : 174,145.44 = 72,481.08 : x
  2. Step 2: Convert to fraction form
    126,192.58/174,145.44 = 72,481.08/x
  3. Step 3: Cross multiply
    126,192.58x = 174,145.44 × 72,481.08
  4. Step 4: Simplify right side
    126,192.58x = 12,622,249,568.28
  5. Step 5: Solve for x
    x = 12,622,249,568.28/126,192.58
  6. Step 6: Final answer
    x = 100,023.71

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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.