Home / 126,853.58-174,659.33-107,693.64

Finding the Fourth Proportional to 126,853.58, 174,659.33 and 107,693.64

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Solution

The fourth proportional to 126,853.58, 174,659.33 and 107,693.64 is: 148,278.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,853.58 : 174,659.33 = 107,693.64 : x
  2. Step 2: Convert to fraction form
    126,853.58/174,659.33 = 107,693.64/x
  3. Step 3: Cross multiply
    126,853.58x = 174,659.33 × 107,693.64
  4. Step 4: Simplify right side
    126,853.58x = 18,809,698,469.19
  5. Step 5: Solve for x
    x = 18,809,698,469.19/126,853.58
  6. Step 6: Final answer
    x = 148,278.82

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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.