Home / 181,778.72-272,704.94-76,597.64

Finding the Fourth Proportional to 181,778.72, 272,704.94 and 76,597.64

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Solution

The fourth proportional to 181,778.72, 272,704.94 and 76,597.64 is: 114,911.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,778.72 : 272,704.94 = 76,597.64 : x
  2. Step 2: Convert to fraction form
    181,778.72/272,704.94 = 76,597.64/x
  3. Step 3: Cross multiply
    181,778.72x = 272,704.94 × 76,597.64
  4. Step 4: Simplify right side
    181,778.72x = 20,888,554,820.34
  5. Step 5: Solve for x
    x = 20,888,554,820.34/181,778.72
  6. Step 6: Final answer
    x = 114,911.99

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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.