Home / 126,245.58-174,218.78-69,656.96

Finding the Fourth Proportional to 126,245.58, 174,218.78 and 69,656.96

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Solution

The fourth proportional to 126,245.58, 174,218.78 and 69,656.96 is: 96,126.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,245.58 : 174,218.78 = 69,656.96 : x
  2. Step 2: Convert to fraction form
    126,245.58/174,218.78 = 69,656.96/x
  3. Step 3: Cross multiply
    126,245.58x = 174,218.78 × 69,656.96
  4. Step 4: Simplify right side
    126,245.58x = 12,135,550,589.71
  5. Step 5: Solve for x
    x = 12,135,550,589.71/126,245.58
  6. Step 6: Final answer
    x = 96,126.54

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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.