Home / 120,777.24-181,107.36-50,637.72

Finding the Fourth Proportional to 120,777.24, 181,107.36 and 50,637.72

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Solution

The fourth proportional to 120,777.24, 181,107.36 and 50,637.72 is: 75,932.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,777.24 : 181,107.36 = 50,637.72 : x
  2. Step 2: Convert to fraction form
    120,777.24/181,107.36 = 50,637.72/x
  3. Step 3: Cross multiply
    120,777.24x = 181,107.36 × 50,637.72
  4. Step 4: Simplify right side
    120,777.24x = 9,170,863,785.62
  5. Step 5: Solve for x
    x = 9,170,863,785.62/120,777.24
  6. Step 6: Final answer
    x = 75,932.05

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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.