Home / 126,022.58-173,815.12-85,668.33

Finding the Fourth Proportional to 126,022.58, 173,815.12 and 85,668.33

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Solution

The fourth proportional to 126,022.58, 173,815.12 and 85,668.33 is: 118,157.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,022.58 : 173,815.12 = 85,668.33 : x
  2. Step 2: Convert to fraction form
    126,022.58/173,815.12 = 85,668.33/x
  3. Step 3: Cross multiply
    126,022.58x = 173,815.12 × 85,668.33
  4. Step 4: Simplify right side
    126,022.58x = 14,890,451,059.15
  5. Step 5: Solve for x
    x = 14,890,451,059.15/126,022.58
  6. Step 6: Final answer
    x = 118,157.01

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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.