Home / 126,101.43-173,998.35-75,107.88

Finding the Fourth Proportional to 126,101.43, 173,998.35 and 75,107.88

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Solution

The fourth proportional to 126,101.43, 173,998.35 and 75,107.88 is: 103,636.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,101.43 : 173,998.35 = 75,107.88 : x
  2. Step 2: Convert to fraction form
    126,101.43/173,998.35 = 75,107.88/x
  3. Step 3: Cross multiply
    126,101.43x = 173,998.35 × 75,107.88
  4. Step 4: Simplify right side
    126,101.43x = 13,068,647,192.00
  5. Step 5: Solve for x
    x = 13,068,647,192.00/126,101.43
  6. Step 6: Final answer
    x = 103,636.00

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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.