Home / 131,099.45-180,922.64-73,741.44

Finding the Fourth Proportional to 131,099.45, 180,922.64 and 73,741.44

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Solution

The fourth proportional to 131,099.45, 180,922.64 and 73,741.44 is: 101,766.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,099.45 : 180,922.64 = 73,741.44 : x
  2. Step 2: Convert to fraction form
    131,099.45/180,922.64 = 73,741.44/x
  3. Step 3: Cross multiply
    131,099.45x = 180,922.64 × 73,741.44
  4. Step 4: Simplify right side
    131,099.45x = 13,341,496,311.95
  5. Step 5: Solve for x
    x = 13,341,496,311.95/131,099.45
  6. Step 6: Final answer
    x = 101,766.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.