Home / 120,747.22-181,114.98-45,861.52

Finding the Fourth Proportional to 120,747.22, 181,114.98 and 45,861.52

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Solution

The fourth proportional to 120,747.22, 181,114.98 and 45,861.52 is: 68,790.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,747.22 : 181,114.98 = 45,861.52 : x
  2. Step 2: Convert to fraction form
    120,747.22/181,114.98 = 45,861.52/x
  3. Step 3: Cross multiply
    120,747.22x = 181,114.98 × 45,861.52
  4. Step 4: Simplify right side
    120,747.22x = 8,306,208,277.57
  5. Step 5: Solve for x
    x = 8,306,208,277.57/120,747.22
  6. Step 6: Final answer
    x = 68,790.06

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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.