Home / 120,790.08-181,128.22-44,835.98

Finding the Fourth Proportional to 120,790.08, 181,128.22 and 44,835.98

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Solution

The fourth proportional to 120,790.08, 181,128.22 and 44,835.98 is: 67,232.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,790.08 : 181,128.22 = 44,835.98 : x
  2. Step 2: Convert to fraction form
    120,790.08/181,128.22 = 44,835.98/x
  3. Step 3: Cross multiply
    120,790.08x = 181,128.22 × 44,835.98
  4. Step 4: Simplify right side
    120,790.08x = 8,121,060,231.62
  5. Step 5: Solve for x
    x = 8,121,060,231.62/120,790.08
  6. Step 6: Final answer
    x = 67,232.84

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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.