Home / 174,326.20-261,662.10-85,679.80

Finding the Fourth Proportional to 174,326.20, 261,662.10 and 85,679.80

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Solution

The fourth proportional to 174,326.20, 261,662.10 and 85,679.80 is: 128,604.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,326.20 : 261,662.10 = 85,679.80 : x
  2. Step 2: Convert to fraction form
    174,326.20/261,662.10 = 85,679.80/x
  3. Step 3: Cross multiply
    174,326.20x = 261,662.10 × 85,679.80
  4. Step 4: Simplify right side
    174,326.20x = 22,419,156,395.58
  5. Step 5: Solve for x
    x = 22,419,156,395.58/174,326.20
  6. Step 6: Final answer
    x = 128,604.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.