Home / 120,396.94-180,607.34-44,515.38

Finding the Fourth Proportional to 120,396.94, 180,607.34 and 44,515.38

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Solution

The fourth proportional to 120,396.94, 180,607.34 and 44,515.38 is: 66,777.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,396.94 : 180,607.34 = 44,515.38 : x
  2. Step 2: Convert to fraction form
    120,396.94/180,607.34 = 44,515.38/x
  3. Step 3: Cross multiply
    120,396.94x = 180,607.34 × 44,515.38
  4. Step 4: Simplify right side
    120,396.94x = 8,039,804,370.89
  5. Step 5: Solve for x
    x = 8,039,804,370.89/120,396.94
  6. Step 6: Final answer
    x = 66,777.48

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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.