Home / 126,311.66-174,310.05-69,723.02

Finding the Fourth Proportional to 126,311.66, 174,310.05 and 69,723.02

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Solution

The fourth proportional to 126,311.66, 174,310.05 and 69,723.02 is: 96,217.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,311.66 : 174,310.05 = 69,723.02 : x
  2. Step 2: Convert to fraction form
    126,311.66/174,310.05 = 69,723.02/x
  3. Step 3: Cross multiply
    126,311.66x = 174,310.05 × 69,723.02
  4. Step 4: Simplify right side
    126,311.66x = 12,153,422,230.80
  5. Step 5: Solve for x
    x = 12,153,422,230.80/126,311.66
  6. Step 6: Final answer
    x = 96,217.74

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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.