Home / 181,928.96-272,922.64-76,763.44

Finding the Fourth Proportional to 181,928.96, 272,922.64 and 76,763.44

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Solution

The fourth proportional to 181,928.96, 272,922.64 and 76,763.44 is: 115,157.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,928.96 : 272,922.64 = 76,763.44 : x
  2. Step 2: Convert to fraction form
    181,928.96/272,922.64 = 76,763.44/x
  3. Step 3: Cross multiply
    181,928.96x = 272,922.64 × 76,763.44
  4. Step 4: Simplify right side
    181,928.96x = 20,950,480,700.28
  5. Step 5: Solve for x
    x = 20,950,480,700.28/181,928.96
  6. Step 6: Final answer
    x = 115,157.48

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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.