Home / 181,778.52-272,540.64-80,527.26

Finding the Fourth Proportional to 181,778.52, 272,540.64 and 80,527.26

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Solution

The fourth proportional to 181,778.52, 272,540.64 and 80,527.26 is: 120,734.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,778.52 : 272,540.64 = 80,527.26 : x
  2. Step 2: Convert to fraction form
    181,778.52/272,540.64 = 80,527.26/x
  3. Step 3: Cross multiply
    181,778.52x = 272,540.64 × 80,527.26
  4. Step 4: Simplify right side
    181,778.52x = 21,946,950,977.85
  5. Step 5: Solve for x
    x = 21,946,950,977.85/181,778.52
  6. Step 6: Final answer
    x = 120,734.57

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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.